Home / 876,377.22-1,209,401.37-473,969.22

Finding the Fourth Proportional to 876,377.22, 1,209,401.37 and 473,969.22

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Solution

The fourth proportional to 876,377.22, 1,209,401.37 and 473,969.22 is: 654,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,377.22 : 1,209,401.37 = 473,969.22 : x
  2. Step 2: Convert to fraction form
    876,377.22/1,209,401.37 = 473,969.22/x
  3. Step 3: Cross multiply
    876,377.22x = 1,209,401.37 × 473,969.22
  4. Step 4: Simplify right side
    876,377.22x = 573,219,024,005.83
  5. Step 5: Solve for x
    x = 573,219,024,005.83/876,377.22
  6. Step 6: Final answer
    x = 654,077.96

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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.