Home / 591,433.36-891,140.38-488,555.92

Finding the Fourth Proportional to 591,433.36, 891,140.38 and 488,555.92

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Solution

The fourth proportional to 591,433.36, 891,140.38 and 488,555.92 is: 736,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,433.36 : 891,140.38 = 488,555.92 : x
  2. Step 2: Convert to fraction form
    591,433.36/891,140.38 = 488,555.92/x
  3. Step 3: Cross multiply
    591,433.36x = 891,140.38 × 488,555.92
  4. Step 4: Simplify right side
    591,433.36x = 435,371,908,200.05
  5. Step 5: Solve for x
    x = 435,371,908,200.05/591,433.36
  6. Step 6: Final answer
    x = 736,130.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.