Home / 866,988.96-1,196,461.98-522,823.20

Finding the Fourth Proportional to 866,988.96, 1,196,461.98 and 522,823.20

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Solution

The fourth proportional to 866,988.96, 1,196,461.98 and 522,823.20 is: 721,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,988.96 : 1,196,461.98 = 522,823.20 : x
  2. Step 2: Convert to fraction form
    866,988.96/1,196,461.98 = 522,823.20/x
  3. Step 3: Cross multiply
    866,988.96x = 1,196,461.98 × 522,823.20
  4. Step 4: Simplify right side
    866,988.96x = 625,538,081,061.94
  5. Step 5: Solve for x
    x = 625,538,081,061.94/866,988.96
  6. Step 6: Final answer
    x = 721,506.40

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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.