Home / 840,410.01-1,159,774.20-458,444.79

Finding the Fourth Proportional to 840,410.01, 1,159,774.20 and 458,444.79

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Solution

The fourth proportional to 840,410.01, 1,159,774.20 and 458,444.79 is: 632,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,410.01 : 1,159,774.20 = 458,444.79 : x
  2. Step 2: Convert to fraction form
    840,410.01/1,159,774.20 = 458,444.79/x
  3. Step 3: Cross multiply
    840,410.01x = 1,159,774.20 × 458,444.79
  4. Step 4: Simplify right side
    840,410.01x = 531,692,439,566.42
  5. Step 5: Solve for x
    x = 531,692,439,566.42/840,410.01
  6. Step 6: Final answer
    x = 632,658.38

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Half scale
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Double scale
Find fourth proportional to 840,411.01, 1,159,775.58 and 458,445.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.