Home / 819,441.27-1,130,427.01-547,575.91

Finding the Fourth Proportional to 819,441.27, 1,130,427.01 and 547,575.91

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Solution

The fourth proportional to 819,441.27, 1,130,427.01 and 547,575.91 is: 755,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,441.27 : 1,130,427.01 = 547,575.91 : x
  2. Step 2: Convert to fraction form
    819,441.27/1,130,427.01 = 547,575.91/x
  3. Step 3: Cross multiply
    819,441.27x = 1,130,427.01 × 547,575.91
  4. Step 4: Simplify right side
    819,441.27x = 618,994,598,689.33
  5. Step 5: Solve for x
    x = 618,994,598,689.33/819,441.27
  6. Step 6: Final answer
    x = 755,386.17

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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.