Home / 736,934.60-1,105,401.90-680,947.40

Finding the Fourth Proportional to 736,934.60, 1,105,401.90 and 680,947.40

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Solution

The fourth proportional to 736,934.60, 1,105,401.90 and 680,947.40 is: 1,021,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,934.60 : 1,105,401.90 = 680,947.40 : x
  2. Step 2: Convert to fraction form
    736,934.60/1,105,401.90 = 680,947.40/x
  3. Step 3: Cross multiply
    736,934.60x = 1,105,401.90 × 680,947.40
  4. Step 4: Simplify right side
    736,934.60x = 752,720,549,760.06
  5. Step 5: Solve for x
    x = 752,720,549,760.06/736,934.60
  6. Step 6: Final answer
    x = 1,021,421.10

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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.