Home / 688,510.10-1,032,765.15-688,510.10

Finding the Fourth Proportional to 688,510.10, 1,032,765.15 and 688,510.10

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Solution

The fourth proportional to 688,510.10, 1,032,765.15 and 688,510.10 is: 1,032,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510.10 : 1,032,765.15 = 688,510.10 : x
  2. Step 2: Convert to fraction form
    688,510.10/1,032,765.15 = 688,510.10/x
  3. Step 3: Cross multiply
    688,510.10x = 1,032,765.15 × 688,510.10
  4. Step 4: Simplify right side
    688,510.10x = 711,069,236,703.02
  5. Step 5: Solve for x
    x = 711,069,236,703.02/688,510.10
  6. Step 6: Final answer
    x = 1,032,765.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.