Home / 842,853.90-1,163,042.90-498,700.38

Finding the Fourth Proportional to 842,853.90, 1,163,042.90 and 498,700.38

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Solution

The fourth proportional to 842,853.90, 1,163,042.90 and 498,700.38 is: 688,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,853.90 : 1,163,042.90 = 498,700.38 : x
  2. Step 2: Convert to fraction form
    842,853.90/1,163,042.90 = 498,700.38/x
  3. Step 3: Cross multiply
    842,853.90x = 1,163,042.90 × 498,700.38
  4. Step 4: Simplify right side
    842,853.90x = 580,009,936,186.30
  5. Step 5: Solve for x
    x = 580,009,936,186.30/842,853.90
  6. Step 6: Final answer
    x = 688,150.03

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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.