Home / 827,543.48-1,141,939.32-464,938.88

Finding the Fourth Proportional to 827,543.48, 1,141,939.32 and 464,938.88

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Solution

The fourth proportional to 827,543.48, 1,141,939.32 and 464,938.88 is: 641,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,543.48 : 1,141,939.32 = 464,938.88 : x
  2. Step 2: Convert to fraction form
    827,543.48/1,141,939.32 = 464,938.88/x
  3. Step 3: Cross multiply
    827,543.48x = 1,141,939.32 × 464,938.88
  4. Step 4: Simplify right side
    827,543.48x = 530,931,988,468.76
  5. Step 5: Solve for x
    x = 530,931,988,468.76/827,543.48
  6. Step 6: Final answer
    x = 641,575.94

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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.