Home / 916,187.75-1,264,196.51-523,715.10

Finding the Fourth Proportional to 916,187.75, 1,264,196.51 and 523,715.10

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Solution

The fourth proportional to 916,187.75, 1,264,196.51 and 523,715.10 is: 722,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,187.75 : 1,264,196.51 = 523,715.10 : x
  2. Step 2: Convert to fraction form
    916,187.75/1,264,196.51 = 523,715.10/x
  3. Step 3: Cross multiply
    916,187.75x = 1,264,196.51 × 523,715.10
  4. Step 4: Simplify right side
    916,187.75x = 662,078,799,035.73
  5. Step 5: Solve for x
    x = 662,078,799,035.73/916,187.75
  6. Step 6: Final answer
    x = 722,645.33

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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.