Home / 1,074,345.32-1,611,751.57-354,718.44

Finding the Fourth Proportional to 1,074,345.32, 1,611,751.57 and 354,718.44

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Solution

The fourth proportional to 1,074,345.32, 1,611,751.57 and 354,718.44 is: 532,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,345.32 : 1,611,751.57 = 354,718.44 : x
  2. Step 2: Convert to fraction form
    1,074,345.32/1,611,751.57 = 354,718.44/x
  3. Step 3: Cross multiply
    1,074,345.32x = 1,611,751.57 × 354,718.44
  4. Step 4: Simplify right side
    1,074,345.32x = 571,718,001,691.16
  5. Step 5: Solve for x
    x = 571,718,001,691.16/1,074,345.32
  6. Step 6: Final answer
    x = 532,154.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.