Home / 977,020.14-1,348,272.96-547,315.62

Finding the Fourth Proportional to 977,020.14, 1,348,272.96 and 547,315.62

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Solution

The fourth proportional to 977,020.14, 1,348,272.96 and 547,315.62 is: 755,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,020.14 : 1,348,272.96 = 547,315.62 : x
  2. Step 2: Convert to fraction form
    977,020.14/1,348,272.96 = 547,315.62/x
  3. Step 3: Cross multiply
    977,020.14x = 1,348,272.96 × 547,315.62
  4. Step 4: Simplify right side
    977,020.14x = 737,930,851,031.64
  5. Step 5: Solve for x
    x = 737,930,851,031.64/977,020.14
  6. Step 6: Final answer
    x = 755,287.25

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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.