Home / 859,703.79-1,186,401.96-472,561.47

Finding the Fourth Proportional to 859,703.79, 1,186,401.96 and 472,561.47

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Solution

The fourth proportional to 859,703.79, 1,186,401.96 and 472,561.47 is: 652,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,703.79 : 1,186,401.96 = 472,561.47 : x
  2. Step 2: Convert to fraction form
    859,703.79/1,186,401.96 = 472,561.47/x
  3. Step 3: Cross multiply
    859,703.79x = 1,186,401.96 × 472,561.47
  4. Step 4: Simplify right side
    859,703.79x = 560,647,854,228.48
  5. Step 5: Solve for x
    x = 560,647,854,228.48/859,703.79
  6. Step 6: Final answer
    x = 652,140.73

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1.5x scale

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.