Home / 739,730.60-1,108,947.90-502,303.40

Finding the Fourth Proportional to 739,730.60, 1,108,947.90 and 502,303.40

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Solution

The fourth proportional to 739,730.60, 1,108,947.90 and 502,303.40 is: 753,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,730.60 : 1,108,947.90 = 502,303.40 : x
  2. Step 2: Convert to fraction form
    739,730.60/1,108,947.90 = 502,303.40/x
  3. Step 3: Cross multiply
    739,730.60x = 1,108,947.90 × 502,303.40
  4. Step 4: Simplify right side
    739,730.60x = 557,028,300,592.86
  5. Step 5: Solve for x
    x = 557,028,300,592.86/739,730.60
  6. Step 6: Final answer
    x = 753,015.08

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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.