Home / 1,200,070.56-1,656,097.20-656,206.70

Finding the Fourth Proportional to 1,200,070.56, 1,656,097.20 and 656,206.70

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Solution

The fourth proportional to 1,200,070.56, 1,656,097.20 and 656,206.70 is: 905,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,070.56 : 1,656,097.20 = 656,206.70 : x
  2. Step 2: Convert to fraction form
    1,200,070.56/1,656,097.20 = 656,206.70/x
  3. Step 3: Cross multiply
    1,200,070.56x = 1,656,097.20 × 656,206.70
  4. Step 4: Simplify right side
    1,200,070.56x = 1,086,742,070,210.75
  5. Step 5: Solve for x
    x = 1,086,742,070,210.75/1,200,070.56
  6. Step 6: Final answer
    x = 905,565.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.