Home / 656,308.60-921,631.40-656,308.60

Finding the Fourth Proportional to 656,308.60, 921,631.40 and 656,308.60

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Solution

The fourth proportional to 656,308.60, 921,631.40 and 656,308.60 is: 921,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,308.60 : 921,631.40 = 656,308.60 : x
  2. Step 2: Convert to fraction form
    656,308.60/921,631.40 = 656,308.60/x
  3. Step 3: Cross multiply
    656,308.60x = 921,631.40 × 656,308.60
  4. Step 4: Simplify right side
    656,308.60x = 604,874,613,850.04
  5. Step 5: Solve for x
    x = 604,874,613,850.04/656,308.60
  6. Step 6: Final answer
    x = 921,631.40

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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.