Home / 1,116,566.32-1,540,868.80-607,272.40

Finding the Fourth Proportional to 1,116,566.32, 1,540,868.80 and 607,272.40

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Solution

The fourth proportional to 1,116,566.32, 1,540,868.80 and 607,272.40 is: 838,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,566.32 : 1,540,868.80 = 607,272.40 : x
  2. Step 2: Convert to fraction form
    1,116,566.32/1,540,868.80 = 607,272.40/x
  3. Step 3: Cross multiply
    1,116,566.32x = 1,540,868.80 × 607,272.40
  4. Step 4: Simplify right side
    1,116,566.32x = 935,727,094,261.12
  5. Step 5: Solve for x
    x = 935,727,094,261.12/1,116,566.32
  6. Step 6: Final answer
    x = 838,039.87

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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.