Home / 1,178,703.30-1,626,617.13-688,701.63

Finding the Fourth Proportional to 1,178,703.30, 1,626,617.13 and 688,701.63

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Solution

The fourth proportional to 1,178,703.30, 1,626,617.13 and 688,701.63 is: 950,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,703.30 : 1,626,617.13 = 688,701.63 : x
  2. Step 2: Convert to fraction form
    1,178,703.30/1,626,617.13 = 688,701.63/x
  3. Step 3: Cross multiply
    1,178,703.30x = 1,626,617.13 × 688,701.63
  4. Step 4: Simplify right side
    1,178,703.30x = 1,120,253,868,816.92
  5. Step 5: Solve for x
    x = 1,120,253,868,816.92/1,178,703.30
  6. Step 6: Final answer
    x = 950,412.09

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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.