Home / 887,781.84-1,225,151.16-525,196.38

Finding the Fourth Proportional to 887,781.84, 1,225,151.16 and 525,196.38

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Solution

The fourth proportional to 887,781.84, 1,225,151.16 and 525,196.38 is: 724,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,781.84 : 1,225,151.16 = 525,196.38 : x
  2. Step 2: Convert to fraction form
    887,781.84/1,225,151.16 = 525,196.38/x
  3. Step 3: Cross multiply
    887,781.84x = 1,225,151.16 × 525,196.38
  4. Step 4: Simplify right side
    887,781.84x = 643,444,954,184.80
  5. Step 5: Solve for x
    x = 643,444,954,184.80/887,781.84
  6. Step 6: Final answer
    x = 724,778.23

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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.