Home / 1,564,615.11-2,158,798.76-885,551.61

Finding the Fourth Proportional to 1,564,615.11, 2,158,798.76 and 885,551.61

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Solution

The fourth proportional to 1,564,615.11, 2,158,798.76 and 885,551.61 is: 1,221,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,615.11 : 2,158,798.76 = 885,551.61 : x
  2. Step 2: Convert to fraction form
    1,564,615.11/2,158,798.76 = 885,551.61/x
  3. Step 3: Cross multiply
    1,564,615.11x = 2,158,798.76 × 885,551.61
  4. Step 4: Simplify right side
    1,564,615.11x = 1,911,727,717,584.00
  5. Step 5: Solve for x
    x = 1,911,727,717,584.00/1,564,615.11
  6. Step 6: Final answer
    x = 1,221,851.75

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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.