Home / 934,219-1,289,432.22-611,741.80

Finding the Fourth Proportional to 934,219, 1,289,432.22 and 611,741.80

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Solution

The fourth proportional to 934,219, 1,289,432.22 and 611,741.80 is: 844,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,219 : 1,289,432.22 = 611,741.80 : x
  2. Step 2: Convert to fraction form
    934,219/1,289,432.22 = 611,741.80/x
  3. Step 3: Cross multiply
    934,219x = 1,289,432.22 × 611,741.80
  4. Step 4: Simplify right side
    934,219x = 788,799,587,240.80
  5. Step 5: Solve for x
    x = 788,799,587,240.80/934,219
  6. Step 6: Final answer
    x = 844,341.20

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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.