Home / 824,587.04-1,138,278.48-538,352.48

Finding the Fourth Proportional to 824,587.04, 1,138,278.48 and 538,352.48

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Solution

The fourth proportional to 824,587.04, 1,138,278.48 and 538,352.48 is: 743,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,587.04 : 1,138,278.48 = 538,352.48 : x
  2. Step 2: Convert to fraction form
    824,587.04/1,138,278.48 = 538,352.48/x
  3. Step 3: Cross multiply
    824,587.04x = 1,138,278.48 × 538,352.48
  4. Step 4: Simplify right side
    824,587.04x = 612,795,042,638.63
  5. Step 5: Solve for x
    x = 612,795,042,638.63/824,587.04
  6. Step 6: Final answer
    x = 743,153.86

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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.