Home / 656,327.10-921,657.30-656,327.10

Finding the Fourth Proportional to 656,327.10, 921,657.30 and 656,327.10

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Solution

The fourth proportional to 656,327.10, 921,657.30 and 656,327.10 is: 921,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,327.10 : 921,657.30 = 656,327.10 : x
  2. Step 2: Convert to fraction form
    656,327.10/921,657.30 = 656,327.10/x
  3. Step 3: Cross multiply
    656,327.10x = 921,657.30 × 656,327.10
  4. Step 4: Simplify right side
    656,327.10x = 604,908,662,902.83
  5. Step 5: Solve for x
    x = 604,908,662,902.83/656,327.10
  6. Step 6: Final answer
    x = 921,657.30

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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.