Home / 1,140,564.32-1,573,871.90-681,587.52

Finding the Fourth Proportional to 1,140,564.32, 1,573,871.90 and 681,587.52

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Solution

The fourth proportional to 1,140,564.32, 1,573,871.90 and 681,587.52 is: 940,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,564.32 : 1,573,871.90 = 681,587.52 : x
  2. Step 2: Convert to fraction form
    1,140,564.32/1,573,871.90 = 681,587.52/x
  3. Step 3: Cross multiply
    1,140,564.32x = 1,573,871.90 × 681,587.52
  4. Step 4: Simplify right side
    1,140,564.32x = 1,072,731,445,118.69
  5. Step 5: Solve for x
    x = 1,072,731,445,118.69/1,140,564.32
  6. Step 6: Final answer
    x = 940,526.92

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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.