Home / 811,352.57-1,119,591.18-448,768.62

Finding the Fourth Proportional to 811,352.57, 1,119,591.18 and 448,768.62

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Solution

The fourth proportional to 811,352.57, 1,119,591.18 and 448,768.62 is: 619,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,352.57 : 1,119,591.18 = 448,768.62 : x
  2. Step 2: Convert to fraction form
    811,352.57/1,119,591.18 = 448,768.62/x
  3. Step 3: Cross multiply
    811,352.57x = 1,119,591.18 × 448,768.62
  4. Step 4: Simplify right side
    811,352.57x = 502,437,388,812.77
  5. Step 5: Solve for x
    x = 502,437,388,812.77/811,352.57
  6. Step 6: Final answer
    x = 619,259.01

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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.