Home / 1,232,672.42-1,701,055.28-688,812.66

Finding the Fourth Proportional to 1,232,672.42, 1,701,055.28 and 688,812.66

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Solution

The fourth proportional to 1,232,672.42, 1,701,055.28 and 688,812.66 is: 950,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,672.42 : 1,701,055.28 = 688,812.66 : x
  2. Step 2: Convert to fraction form
    1,232,672.42/1,701,055.28 = 688,812.66/x
  3. Step 3: Cross multiply
    1,232,672.42x = 1,701,055.28 × 688,812.66
  4. Step 4: Simplify right side
    1,232,672.42x = 1,171,708,408,779.78
  5. Step 5: Solve for x
    x = 1,171,708,408,779.78/1,232,672.42
  6. Step 6: Final answer
    x = 950,543.22

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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.