Home / 864,146.10-1,296,219.15-565,547.70

Finding the Fourth Proportional to 864,146.10, 1,296,219.15 and 565,547.70

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Solution

The fourth proportional to 864,146.10, 1,296,219.15 and 565,547.70 is: 848,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,146.10 : 1,296,219.15 = 565,547.70 : x
  2. Step 2: Convert to fraction form
    864,146.10/1,296,219.15 = 565,547.70/x
  3. Step 3: Cross multiply
    864,146.10x = 1,296,219.15 × 565,547.70
  4. Step 4: Simplify right side
    864,146.10x = 733,073,758,978.46
  5. Step 5: Solve for x
    x = 733,073,758,978.46/864,146.10
  6. Step 6: Final answer
    x = 848,321.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.