Home / 811,385.01-1,119,334.28-524,997.36

Finding the Fourth Proportional to 811,385.01, 1,119,334.28 and 524,997.36

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Solution

The fourth proportional to 811,385.01, 1,119,334.28 and 524,997.36 is: 724,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,385.01 : 1,119,334.28 = 524,997.36 : x
  2. Step 2: Convert to fraction form
    811,385.01/1,119,334.28 = 524,997.36/x
  3. Step 3: Cross multiply
    811,385.01x = 1,119,334.28 × 524,997.36
  4. Step 4: Simplify right side
    811,385.01x = 587,647,539,332.51
  5. Step 5: Solve for x
    x = 587,647,539,332.51/811,385.01
  6. Step 6: Final answer
    x = 724,252.40

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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.