Home / 807,856.43-1,114,776.30-468,346.55

Finding the Fourth Proportional to 807,856.43, 1,114,776.30 and 468,346.55

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Solution

The fourth proportional to 807,856.43, 1,114,776.30 and 468,346.55 is: 646,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,856.43 : 1,114,776.30 = 468,346.55 : x
  2. Step 2: Convert to fraction form
    807,856.43/1,114,776.30 = 468,346.55/x
  3. Step 3: Cross multiply
    807,856.43x = 1,114,776.30 × 468,346.55
  4. Step 4: Simplify right side
    807,856.43x = 522,101,634,126.77
  5. Step 5: Solve for x
    x = 522,101,634,126.77/807,856.43
  6. Step 6: Final answer
    x = 646,280.22

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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.