Home / 752,480.08-1,038,423.26-430,197.16

Finding the Fourth Proportional to 752,480.08, 1,038,423.26 and 430,197.16

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Solution

The fourth proportional to 752,480.08, 1,038,423.26 and 430,197.16 is: 593,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,480.08 : 1,038,423.26 = 430,197.16 : x
  2. Step 2: Convert to fraction form
    752,480.08/1,038,423.26 = 430,197.16/x
  3. Step 3: Cross multiply
    752,480.08x = 1,038,423.26 × 430,197.16
  4. Step 4: Simplify right side
    752,480.08x = 446,726,737,329.94
  5. Step 5: Solve for x
    x = 446,726,737,329.94/752,480.08
  6. Step 6: Final answer
    x = 593,672.51

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Double scale
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1.5x scale

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.