Home / 986,346.72-1,361,167.20-533,646.72

Finding the Fourth Proportional to 986,346.72, 1,361,167.20 and 533,646.72

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Solution

The fourth proportional to 986,346.72, 1,361,167.20 and 533,646.72 is: 736,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,346.72 : 1,361,167.20 = 533,646.72 : x
  2. Step 2: Convert to fraction form
    986,346.72/1,361,167.20 = 533,646.72/x
  3. Step 3: Cross multiply
    986,346.72x = 1,361,167.20 × 533,646.72
  4. Step 4: Simplify right side
    986,346.72x = 726,382,411,651.58
  5. Step 5: Solve for x
    x = 726,382,411,651.58/986,346.72
  6. Step 6: Final answer
    x = 736,437.19

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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.