Home / 1,755,239.40-2,633,150.70-690,316.20

Finding the Fourth Proportional to 1,755,239.40, 2,633,150.70 and 690,316.20

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Solution

The fourth proportional to 1,755,239.40, 2,633,150.70 and 690,316.20 is: 1,035,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,239.40 : 2,633,150.70 = 690,316.20 : x
  2. Step 2: Convert to fraction form
    1,755,239.40/2,633,150.70 = 690,316.20/x
  3. Step 3: Cross multiply
    1,755,239.40x = 2,633,150.70 × 690,316.20
  4. Step 4: Simplify right side
    1,755,239.40x = 1,817,706,585,251.34
  5. Step 5: Solve for x
    x = 1,817,706,585,251.34/1,755,239.40
  6. Step 6: Final answer
    x = 1,035,588.98

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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.