Home / 1,239,515.60-1,710,703.12-695,683.76

Finding the Fourth Proportional to 1,239,515.60, 1,710,703.12 and 695,683.76

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Solution

The fourth proportional to 1,239,515.60, 1,710,703.12 and 695,683.76 is: 960,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,515.60 : 1,710,703.12 = 695,683.76 : x
  2. Step 2: Convert to fraction form
    1,239,515.60/1,710,703.12 = 695,683.76/x
  3. Step 3: Cross multiply
    1,239,515.60x = 1,710,703.12 × 695,683.76
  4. Step 4: Simplify right side
    1,239,515.60x = 1,190,108,378,765.33
  5. Step 5: Solve for x
    x = 1,190,108,378,765.33/1,239,515.60
  6. Step 6: Final answer
    x = 960,139.90

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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.