Home / 840,417.99-1,159,775.42-458,444.77

Finding the Fourth Proportional to 840,417.99, 1,159,775.42 and 458,444.77

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Solution

The fourth proportional to 840,417.99, 1,159,775.42 and 458,444.77 is: 632,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,417.99 : 1,159,775.42 = 458,444.77 : x
  2. Step 2: Convert to fraction form
    840,417.99/1,159,775.42 = 458,444.77/x
  3. Step 3: Cross multiply
    840,417.99x = 1,159,775.42 × 458,444.77
  4. Step 4: Simplify right side
    840,417.99x = 531,692,970,481.89
  5. Step 5: Solve for x
    x = 531,692,970,481.89/840,417.99
  6. Step 6: Final answer
    x = 632,653.01

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Double scale
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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.