Home / 1,281,094.20-1,767,834-708,100.20

Finding the Fourth Proportional to 1,281,094.20, 1,767,834 and 708,100.20

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Solution

The fourth proportional to 1,281,094.20, 1,767,834 and 708,100.20 is: 977,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,094.20 : 1,767,834 = 708,100.20 : x
  2. Step 2: Convert to fraction form
    1,281,094.20/1,767,834 = 708,100.20/x
  3. Step 3: Cross multiply
    1,281,094.20x = 1,767,834 × 708,100.20
  4. Step 4: Simplify right side
    1,281,094.20x = 1,251,803,608,966.80
  5. Step 5: Solve for x
    x = 1,251,803,608,966.80/1,281,094.20
  6. Step 6: Final answer
    x = 977,136.27

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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.