Home / 878,171.24-1,211,809.36-533,959.36

Finding the Fourth Proportional to 878,171.24, 1,211,809.36 and 533,959.36

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Solution

The fourth proportional to 878,171.24, 1,211,809.36 and 533,959.36 is: 736,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,171.24 : 1,211,809.36 = 533,959.36 : x
  2. Step 2: Convert to fraction form
    878,171.24/1,211,809.36 = 533,959.36/x
  3. Step 3: Cross multiply
    878,171.24x = 1,211,809.36 × 533,959.36
  4. Step 4: Simplify right side
    878,171.24x = 647,056,950,307.61
  5. Step 5: Solve for x
    x = 647,056,950,307.61/878,171.24
  6. Step 6: Final answer
    x = 736,823.21

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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.