Home / 1,134,457.82-1,565,531.52-618,216.20

Finding the Fourth Proportional to 1,134,457.82, 1,565,531.52 and 618,216.20

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Solution

The fourth proportional to 1,134,457.82, 1,565,531.52 and 618,216.20 is: 853,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,457.82 : 1,565,531.52 = 618,216.20 : x
  2. Step 2: Convert to fraction form
    1,134,457.82/1,565,531.52 = 618,216.20/x
  3. Step 3: Cross multiply
    1,134,457.82x = 1,565,531.52 × 618,216.20
  4. Step 4: Simplify right side
    1,134,457.82x = 967,836,947,274.62
  5. Step 5: Solve for x
    x = 967,836,947,274.62/1,134,457.82
  6. Step 6: Final answer
    x = 853,127.31

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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.