Home / 709,800.78-1,063,815.10-354,916.29

Finding the Fourth Proportional to 709,800.78, 1,063,815.10 and 354,916.29

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Solution

The fourth proportional to 709,800.78, 1,063,815.10 and 354,916.29 is: 531,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,800.78 : 1,063,815.10 = 354,916.29 : x
  2. Step 2: Convert to fraction form
    709,800.78/1,063,815.10 = 354,916.29/x
  3. Step 3: Cross multiply
    709,800.78x = 1,063,815.10 × 354,916.29
  4. Step 4: Simplify right side
    709,800.78x = 377,565,308,537.98
  5. Step 5: Solve for x
    x = 377,565,308,537.98/709,800.78
  6. Step 6: Final answer
    x = 531,931.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.