Home / 772,229.43-1,065,044.80-543,543.75

Finding the Fourth Proportional to 772,229.43, 1,065,044.80 and 543,543.75

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Solution

The fourth proportional to 772,229.43, 1,065,044.80 and 543,543.75 is: 749,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,229.43 : 1,065,044.80 = 543,543.75 : x
  2. Step 2: Convert to fraction form
    772,229.43/1,065,044.80 = 543,543.75/x
  3. Step 3: Cross multiply
    772,229.43x = 1,065,044.80 × 543,543.75
  4. Step 4: Simplify right side
    772,229.43x = 578,898,445,189.43
  5. Step 5: Solve for x
    x = 578,898,445,189.43/772,229.43
  6. Step 6: Final answer
    x = 749,645.67

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Double scale
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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.