Home / 1,564,652.34-2,158,973.46-911,385.86

Finding the Fourth Proportional to 1,564,652.34, 2,158,973.46 and 911,385.86

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Solution

The fourth proportional to 1,564,652.34, 2,158,973.46 and 911,385.86 is: 1,257,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,652.34 : 2,158,973.46 = 911,385.86 : x
  2. Step 2: Convert to fraction form
    1,564,652.34/2,158,973.46 = 911,385.86/x
  3. Step 3: Cross multiply
    1,564,652.34x = 2,158,973.46 × 911,385.86
  4. Step 4: Simplify right side
    1,564,652.34x = 1,967,657,872,764.41
  5. Step 5: Solve for x
    x = 1,967,657,872,764.41/1,564,652.34
  6. Step 6: Final answer
    x = 1,257,568.74

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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.