Home / 1,134,882.71-1,566,116.75-618,641.36

Finding the Fourth Proportional to 1,134,882.71, 1,566,116.75 and 618,641.36

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Solution

The fourth proportional to 1,134,882.71, 1,566,116.75 and 618,641.36 is: 853,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,882.71 : 1,566,116.75 = 618,641.36 : x
  2. Step 2: Convert to fraction form
    1,134,882.71/1,566,116.75 = 618,641.36/x
  3. Step 3: Cross multiply
    1,134,882.71x = 1,566,116.75 × 618,641.36
  4. Step 4: Simplify right side
    1,134,882.71x = 968,864,596,138.78
  5. Step 5: Solve for x
    x = 968,864,596,138.78/1,134,882.71
  6. Step 6: Final answer
    x = 853,713.42

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Double scale
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1.5x scale

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.