Home / 948,874.01-1,309,445.33-519,155.87

Finding the Fourth Proportional to 948,874.01, 1,309,445.33 and 519,155.87

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Solution

The fourth proportional to 948,874.01, 1,309,445.33 and 519,155.87 is: 716,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,874.01 : 1,309,445.33 = 519,155.87 : x
  2. Step 2: Convert to fraction form
    948,874.01/1,309,445.33 = 519,155.87/x
  3. Step 3: Cross multiply
    948,874.01x = 1,309,445.33 × 519,155.87
  4. Step 4: Simplify right side
    948,874.01x = 679,806,220,370.58
  5. Step 5: Solve for x
    x = 679,806,220,370.58/948,874.01
  6. Step 6: Final answer
    x = 716,434.65

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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.