Home / 925,457.10-1,277,121.69-517,554.24

Finding the Fourth Proportional to 925,457.10, 1,277,121.69 and 517,554.24

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Solution

The fourth proportional to 925,457.10, 1,277,121.69 and 517,554.24 is: 714,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,457.10 : 1,277,121.69 = 517,554.24 : x
  2. Step 2: Convert to fraction form
    925,457.10/1,277,121.69 = 517,554.24/x
  3. Step 3: Cross multiply
    925,457.10x = 1,277,121.69 × 517,554.24
  4. Step 4: Simplify right side
    925,457.10x = 660,979,745,655.47
  5. Step 5: Solve for x
    x = 660,979,745,655.47/925,457.10
  6. Step 6: Final answer
    x = 714,219.76

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Half scale
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Double scale
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Similar ratio
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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.