Home / 447,151.06-617,068.02-256,165.21

Finding the Fourth Proportional to 447,151.06, 617,068.02 and 256,165.21

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Solution

The fourth proportional to 447,151.06, 617,068.02 and 256,165.21 is: 353,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,151.06 : 617,068.02 = 256,165.21 : x
  2. Step 2: Convert to fraction form
    447,151.06/617,068.02 = 256,165.21/x
  3. Step 3: Cross multiply
    447,151.06x = 617,068.02 × 256,165.21
  4. Step 4: Simplify right side
    447,151.06x = 158,071,358,927.58
  5. Step 5: Solve for x
    x = 158,071,358,927.58/447,151.06
  6. Step 6: Final answer
    x = 353,507.74

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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.