Home / 989,398.23-1,365,367.17-536,689.23

Finding the Fourth Proportional to 989,398.23, 1,365,367.17 and 536,689.23

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Solution

The fourth proportional to 989,398.23, 1,365,367.17 and 536,689.23 is: 740,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,398.23 : 1,365,367.17 = 536,689.23 : x
  2. Step 2: Convert to fraction form
    989,398.23/1,365,367.17 = 536,689.23/x
  3. Step 3: Cross multiply
    989,398.23x = 1,365,367.17 × 536,689.23
  4. Step 4: Simplify right side
    989,398.23x = 732,777,855,134.58
  5. Step 5: Solve for x
    x = 732,777,855,134.58/989,398.23
  6. Step 6: Final answer
    x = 740,629.84

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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.