Home / 552,514.47-828,689.69-153,113.60

Finding the Fourth Proportional to 552,514.47, 828,689.69 and 153,113.60

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Solution

The fourth proportional to 552,514.47, 828,689.69 and 153,113.60 is: 229,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,514.47 : 828,689.69 = 153,113.60 : x
  2. Step 2: Convert to fraction form
    552,514.47/828,689.69 = 153,113.60/x
  3. Step 3: Cross multiply
    552,514.47x = 828,689.69 × 153,113.60
  4. Step 4: Simplify right side
    552,514.47x = 126,883,656,809.77
  5. Step 5: Solve for x
    x = 126,883,656,809.77/552,514.47
  6. Step 6: Final answer
    x = 229,647.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.