Home / 1,331,877.60-1,998,010.80-433,166.40

Finding the Fourth Proportional to 1,331,877.60, 1,998,010.80 and 433,166.40

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Solution

The fourth proportional to 1,331,877.60, 1,998,010.80 and 433,166.40 is: 649,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,877.60 : 1,998,010.80 = 433,166.40 : x
  2. Step 2: Convert to fraction form
    1,331,877.60/1,998,010.80 = 433,166.40/x
  3. Step 3: Cross multiply
    1,331,877.60x = 1,998,010.80 × 433,166.40
  4. Step 4: Simplify right side
    1,331,877.60x = 865,471,145,397.12
  5. Step 5: Solve for x
    x = 865,471,145,397.12/1,331,877.60
  6. Step 6: Final answer
    x = 649,812.82

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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.