Home / 986,117.12-1,360,841.28-533,407.04

Finding the Fourth Proportional to 986,117.12, 1,360,841.28 and 533,407.04

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Solution

The fourth proportional to 986,117.12, 1,360,841.28 and 533,407.04 is: 736,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,117.12 : 1,360,841.28 = 533,407.04 : x
  2. Step 2: Convert to fraction form
    986,117.12/1,360,841.28 = 533,407.04/x
  3. Step 3: Cross multiply
    986,117.12x = 1,360,841.28 × 533,407.04
  4. Step 4: Simplify right side
    986,117.12x = 725,882,319,074.61
  5. Step 5: Solve for x
    x = 725,882,319,074.61/986,117.12
  6. Step 6: Final answer
    x = 736,101.53

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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.