Home / 684,184.92-944,325.09-397,870.20

Finding the Fourth Proportional to 684,184.92, 944,325.09 and 397,870.20

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Solution

The fourth proportional to 684,184.92, 944,325.09 and 397,870.20 is: 549,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,184.92 : 944,325.09 = 397,870.20 : x
  2. Step 2: Convert to fraction form
    684,184.92/944,325.09 = 397,870.20/x
  3. Step 3: Cross multiply
    684,184.92x = 944,325.09 × 397,870.20
  4. Step 4: Simplify right side
    684,184.92x = 375,718,812,423.32
  5. Step 5: Solve for x
    x = 375,718,812,423.32/684,184.92
  6. Step 6: Final answer
    x = 549,148.05

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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.