Home / 917,525.50-1,266,645.40-573,552.76

Finding the Fourth Proportional to 917,525.50, 1,266,645.40 and 573,552.76

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Solution

The fourth proportional to 917,525.50, 1,266,645.40 and 573,552.76 is: 791,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,525.50 : 1,266,645.40 = 573,552.76 : x
  2. Step 2: Convert to fraction form
    917,525.50/1,266,645.40 = 573,552.76/x
  3. Step 3: Cross multiply
    917,525.50x = 1,266,645.40 × 573,552.76
  4. Step 4: Simplify right side
    917,525.50x = 726,487,965,111.30
  5. Step 5: Solve for x
    x = 726,487,965,111.30/917,525.50
  6. Step 6: Final answer
    x = 791,790.49

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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.