Home / 752,363.29-1,127,675.40-346,707.46

Finding the Fourth Proportional to 752,363.29, 1,127,675.40 and 346,707.46

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Solution

The fourth proportional to 752,363.29, 1,127,675.40 and 346,707.46 is: 519,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,363.29 : 1,127,675.40 = 346,707.46 : x
  2. Step 2: Convert to fraction form
    752,363.29/1,127,675.40 = 346,707.46/x
  3. Step 3: Cross multiply
    752,363.29x = 1,127,675.40 × 346,707.46
  4. Step 4: Simplify right side
    752,363.29x = 390,973,473,638.48
  5. Step 5: Solve for x
    x = 390,973,473,638.48/752,363.29
  6. Step 6: Final answer
    x = 519,660.49

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1.5x scale

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.