Home / 1,068,938.40-1,603,406.52-437,853.36

Finding the Fourth Proportional to 1,068,938.40, 1,603,406.52 and 437,853.36

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Solution

The fourth proportional to 1,068,938.40, 1,603,406.52 and 437,853.36 is: 656,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,938.40 : 1,603,406.52 = 437,853.36 : x
  2. Step 2: Convert to fraction form
    1,068,938.40/1,603,406.52 = 437,853.36/x
  3. Step 3: Cross multiply
    1,068,938.40x = 1,603,406.52 × 437,853.36
  4. Step 4: Simplify right side
    1,068,938.40x = 702,056,932,227.91
  5. Step 5: Solve for x
    x = 702,056,932,227.91/1,068,938.40
  6. Step 6: Final answer
    x = 656,779.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.