Home / 875,308.70-1,312,963.05-501,023.90

Finding the Fourth Proportional to 875,308.70, 1,312,963.05 and 501,023.90

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Solution

The fourth proportional to 875,308.70, 1,312,963.05 and 501,023.90 is: 751,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,308.70 : 1,312,963.05 = 501,023.90 : x
  2. Step 2: Convert to fraction form
    875,308.70/1,312,963.05 = 501,023.90/x
  3. Step 3: Cross multiply
    875,308.70x = 1,312,963.05 × 501,023.90
  4. Step 4: Simplify right side
    875,308.70x = 657,825,867,866.90
  5. Step 5: Solve for x
    x = 657,825,867,866.90/875,308.70
  6. Step 6: Final answer
    x = 751,535.85

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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.