Home / 752,417.51-1,038,693.38-476,913.02

Finding the Fourth Proportional to 752,417.51, 1,038,693.38 and 476,913.02

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Solution

The fourth proportional to 752,417.51, 1,038,693.38 and 476,913.02 is: 658,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,417.51 : 1,038,693.38 = 476,913.02 : x
  2. Step 2: Convert to fraction form
    752,417.51/1,038,693.38 = 476,913.02/x
  3. Step 3: Cross multiply
    752,417.51x = 1,038,693.38 × 476,913.02
  4. Step 4: Simplify right side
    752,417.51x = 495,366,389,131.78
  5. Step 5: Solve for x
    x = 495,366,389,131.78/752,417.51
  6. Step 6: Final answer
    x = 658,366.38

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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.