Home / 1,091,778.28-1,506,657.06-632,981.80

Finding the Fourth Proportional to 1,091,778.28, 1,506,657.06 and 632,981.80

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Solution

The fourth proportional to 1,091,778.28, 1,506,657.06 and 632,981.80 is: 873,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,778.28 : 1,506,657.06 = 632,981.80 : x
  2. Step 2: Convert to fraction form
    1,091,778.28/1,506,657.06 = 632,981.80/x
  3. Step 3: Cross multiply
    1,091,778.28x = 1,506,657.06 × 632,981.80
  4. Step 4: Simplify right side
    1,091,778.28x = 953,686,497,821.51
  5. Step 5: Solve for x
    x = 953,686,497,821.51/1,091,778.28
  6. Step 6: Final answer
    x = 873,516.64

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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.