Home / 989,461.38-1,365,459.33-536,752.38

Finding the Fourth Proportional to 989,461.38, 1,365,459.33 and 536,752.38

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Solution

The fourth proportional to 989,461.38, 1,365,459.33 and 536,752.38 is: 740,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,461.38 : 1,365,459.33 = 536,752.38 : x
  2. Step 2: Convert to fraction form
    989,461.38/1,365,459.33 = 536,752.38/x
  3. Step 3: Cross multiply
    989,461.38x = 1,365,459.33 × 536,752.38
  4. Step 4: Simplify right side
    989,461.38x = 732,913,545,170.71
  5. Step 5: Solve for x
    x = 732,913,545,170.71/989,461.38
  6. Step 6: Final answer
    x = 740,719.71

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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.