Home / 1,564,612.16-2,158,986.20-876,188.30

Finding the Fourth Proportional to 1,564,612.16, 2,158,986.20 and 876,188.30

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Solution

The fourth proportional to 1,564,612.16, 2,158,986.20 and 876,188.30 is: 1,209,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,612.16 : 2,158,986.20 = 876,188.30 : x
  2. Step 2: Convert to fraction form
    1,564,612.16/2,158,986.20 = 876,188.30/x
  3. Step 3: Cross multiply
    1,564,612.16x = 2,158,986.20 × 876,188.30
  4. Step 4: Simplify right side
    1,564,612.16x = 1,891,678,433,125.59
  5. Step 5: Solve for x
    x = 1,891,678,433,125.59/1,564,612.16
  6. Step 6: Final answer
    x = 1,209,039.84

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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.