Home / 1,564,973.55-2,158,780.88-911,522.55

Finding the Fourth Proportional to 1,564,973.55, 2,158,780.88 and 911,522.55

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Solution

The fourth proportional to 1,564,973.55, 2,158,780.88 and 911,522.55 is: 1,257,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,973.55 : 2,158,780.88 = 911,522.55 : x
  2. Step 2: Convert to fraction form
    1,564,973.55/2,158,780.88 = 911,522.55/x
  3. Step 3: Cross multiply
    1,564,973.55x = 2,158,780.88 × 911,522.55
  4. Step 4: Simplify right side
    1,564,973.55x = 1,967,777,452,628.84
  5. Step 5: Solve for x
    x = 1,967,777,452,628.84/1,564,973.55
  6. Step 6: Final answer
    x = 1,257,387.04

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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.