Home / 750,869.85-1,036,226.25-411,338.10

Finding the Fourth Proportional to 750,869.85, 1,036,226.25 and 411,338.10

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Solution

The fourth proportional to 750,869.85, 1,036,226.25 and 411,338.10 is: 567,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,869.85 : 1,036,226.25 = 411,338.10 : x
  2. Step 2: Convert to fraction form
    750,869.85/1,036,226.25 = 411,338.10/x
  3. Step 3: Cross multiply
    750,869.85x = 1,036,226.25 × 411,338.10
  4. Step 4: Simplify right side
    750,869.85x = 426,239,336,845.13
  5. Step 5: Solve for x
    x = 426,239,336,845.13/750,869.85
  6. Step 6: Final answer
    x = 567,660.74

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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.