Home / 708,170.80-977,263.06-385,883.68

Finding the Fourth Proportional to 708,170.80, 977,263.06 and 385,883.68

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Solution

The fourth proportional to 708,170.80, 977,263.06 and 385,883.68 is: 532,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,170.80 : 977,263.06 = 385,883.68 : x
  2. Step 2: Convert to fraction form
    708,170.80/977,263.06 = 385,883.68/x
  3. Step 3: Cross multiply
    708,170.80x = 977,263.06 × 385,883.68
  4. Step 4: Simplify right side
    708,170.80x = 377,109,865,920.86
  5. Step 5: Solve for x
    x = 377,109,865,920.86/708,170.80
  6. Step 6: Final answer
    x = 532,512.59

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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.