Home / 996,681.34-1,375,331.96-555,122.24

Finding the Fourth Proportional to 996,681.34, 1,375,331.96 and 555,122.24

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Solution

The fourth proportional to 996,681.34, 1,375,331.96 and 555,122.24 is: 766,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,681.34 : 1,375,331.96 = 555,122.24 : x
  2. Step 2: Convert to fraction form
    996,681.34/1,375,331.96 = 555,122.24/x
  3. Step 3: Cross multiply
    996,681.34x = 1,375,331.96 × 555,122.24
  4. Step 4: Simplify right side
    996,681.34x = 763,477,358,378.79
  5. Step 5: Solve for x
    x = 763,477,358,378.79/996,681.34
  6. Step 6: Final answer
    x = 766,019.52

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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.