Home / 840,575.86-1,159,993.34-458,602.68

Finding the Fourth Proportional to 840,575.86, 1,159,993.34 and 458,602.68

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Solution

The fourth proportional to 840,575.86, 1,159,993.34 and 458,602.68 is: 632,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,575.86 : 1,159,993.34 = 458,602.68 : x
  2. Step 2: Convert to fraction form
    840,575.86/1,159,993.34 = 458,602.68/x
  3. Step 3: Cross multiply
    840,575.86x = 1,159,993.34 × 458,602.68
  4. Step 4: Simplify right side
    840,575.86x = 531,976,054,506.15
  5. Step 5: Solve for x
    x = 531,976,054,506.15/840,575.86
  6. Step 6: Final answer
    x = 632,870.96

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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.