Home / 741,569.16-1,023,372.18-402,038.22

Finding the Fourth Proportional to 741,569.16, 1,023,372.18 and 402,038.22

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Solution

The fourth proportional to 741,569.16, 1,023,372.18 and 402,038.22 is: 554,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,569.16 : 1,023,372.18 = 402,038.22 : x
  2. Step 2: Convert to fraction form
    741,569.16/1,023,372.18 = 402,038.22/x
  3. Step 3: Cross multiply
    741,569.16x = 1,023,372.18 × 402,038.22
  4. Step 4: Simplify right side
    741,569.16x = 411,434,729,644.72
  5. Step 5: Solve for x
    x = 411,434,729,644.72/741,569.16
  6. Step 6: Final answer
    x = 554,816.40

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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.