Home / 986,708.20-1,480,110.90-514,316.20

Finding the Fourth Proportional to 986,708.20, 1,480,110.90 and 514,316.20

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Solution

The fourth proportional to 986,708.20, 1,480,110.90 and 514,316.20 is: 771,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,708.20 : 1,480,110.90 = 514,316.20 : x
  2. Step 2: Convert to fraction form
    986,708.20/1,480,110.90 = 514,316.20/x
  3. Step 3: Cross multiply
    986,708.20x = 1,480,110.90 × 514,316.20
  4. Step 4: Simplify right side
    986,708.20x = 761,245,013,666.58
  5. Step 5: Solve for x
    x = 761,245,013,666.58/986,708.20
  6. Step 6: Final answer
    x = 771,499.63

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1.5x scale

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.