Home / 816,102.07-1,126,248.23-453,541.21

Finding the Fourth Proportional to 816,102.07, 1,126,248.23 and 453,541.21

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Solution

The fourth proportional to 816,102.07, 1,126,248.23 and 453,541.21 is: 625,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,102.07 : 1,126,248.23 = 453,541.21 : x
  2. Step 2: Convert to fraction form
    816,102.07/1,126,248.23 = 453,541.21/x
  3. Step 3: Cross multiply
    816,102.07x = 1,126,248.23 × 453,541.21
  4. Step 4: Simplify right side
    816,102.07x = 510,799,984,994.56
  5. Step 5: Solve for x
    x = 510,799,984,994.56/816,102.07
  6. Step 6: Final answer
    x = 625,902.08

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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.