Home / 656,306.10-921,627.90-656,306.10

Finding the Fourth Proportional to 656,306.10, 921,627.90 and 656,306.10

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Solution

The fourth proportional to 656,306.10, 921,627.90 and 656,306.10 is: 921,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,306.10 : 921,627.90 = 656,306.10 : x
  2. Step 2: Convert to fraction form
    656,306.10/921,627.90 = 656,306.10/x
  3. Step 3: Cross multiply
    656,306.10x = 921,627.90 × 656,306.10
  4. Step 4: Simplify right side
    656,306.10x = 604,870,012,700.19
  5. Step 5: Solve for x
    x = 604,870,012,700.19/656,306.10
  6. Step 6: Final answer
    x = 921,627.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.