Home / 811,078.49-1,118,916.29-524,690.93

Finding the Fourth Proportional to 811,078.49, 1,118,916.29 and 524,690.93

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Solution

The fourth proportional to 811,078.49, 1,118,916.29 and 524,690.93 is: 723,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,078.49 : 1,118,916.29 = 524,690.93 : x
  2. Step 2: Convert to fraction form
    811,078.49/1,118,916.29 = 524,690.93/x
  3. Step 3: Cross multiply
    811,078.49x = 1,118,916.29 × 524,690.93
  4. Step 4: Simplify right side
    811,078.49x = 587,085,226,168.80
  5. Step 5: Solve for x
    x = 587,085,226,168.80/811,078.49
  6. Step 6: Final answer
    x = 723,832.81

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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.