Home / 711,667.22-1,070,061.45-656,186.07

Finding the Fourth Proportional to 711,667.22, 1,070,061.45 and 656,186.07

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Solution

The fourth proportional to 711,667.22, 1,070,061.45 and 656,186.07 is: 986,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,667.22 : 1,070,061.45 = 656,186.07 : x
  2. Step 2: Convert to fraction form
    711,667.22/1,070,061.45 = 656,186.07/x
  3. Step 3: Cross multiply
    711,667.22x = 1,070,061.45 × 656,186.07
  4. Step 4: Simplify right side
    711,667.22x = 702,159,414,253.07
  5. Step 5: Solve for x
    x = 702,159,414,253.07/711,667.22
  6. Step 6: Final answer
    x = 986,640.10

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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.