Home / 684,177.32-944,314.59-397,862.57

Finding the Fourth Proportional to 684,177.32, 944,314.59 and 397,862.57

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Solution

The fourth proportional to 684,177.32, 944,314.59 and 397,862.57 is: 549,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,177.32 : 944,314.59 = 397,862.57 : x
  2. Step 2: Convert to fraction form
    684,177.32/944,314.59 = 397,862.57/x
  3. Step 3: Cross multiply
    684,177.32x = 944,314.59 × 397,862.57
  4. Step 4: Simplify right side
    684,177.32x = 375,707,425,968.92
  5. Step 5: Solve for x
    x = 375,707,425,968.92/684,177.32
  6. Step 6: Final answer
    x = 549,137.51

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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.