Home / 893,140.28-1,232,526.98-485,245.47

Finding the Fourth Proportional to 893,140.28, 1,232,526.98 and 485,245.47

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Solution

The fourth proportional to 893,140.28, 1,232,526.98 and 485,245.47 is: 669,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,140.28 : 1,232,526.98 = 485,245.47 : x
  2. Step 2: Convert to fraction form
    893,140.28/1,232,526.98 = 485,245.47/x
  3. Step 3: Cross multiply
    893,140.28x = 1,232,526.98 × 485,245.47
  4. Step 4: Simplify right side
    893,140.28x = 598,078,133,697.78
  5. Step 5: Solve for x
    x = 598,078,133,697.78/893,140.28
  6. Step 6: Final answer
    x = 669,635.16

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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.