Home / 1,116,980.39-1,541,439.65-607,686.41

Finding the Fourth Proportional to 1,116,980.39, 1,541,439.65 and 607,686.41

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Solution

The fourth proportional to 1,116,980.39, 1,541,439.65 and 607,686.41 is: 838,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,980.39 : 1,541,439.65 = 607,686.41 : x
  2. Step 2: Convert to fraction form
    1,116,980.39/1,541,439.65 = 607,686.41/x
  3. Step 3: Cross multiply
    1,116,980.39x = 1,541,439.65 × 607,686.41
  4. Step 4: Simplify right side
    1,116,980.39x = 936,711,927,140.16
  5. Step 5: Solve for x
    x = 936,711,927,140.16/1,116,980.39
  6. Step 6: Final answer
    x = 838,610.90

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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.