Home / 1,019,862.58-1,407,444.92-561,011.28

Finding the Fourth Proportional to 1,019,862.58, 1,407,444.92 and 561,011.28

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Solution

The fourth proportional to 1,019,862.58, 1,407,444.92 and 561,011.28 is: 774,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,862.58 : 1,407,444.92 = 561,011.28 : x
  2. Step 2: Convert to fraction form
    1,019,862.58/1,407,444.92 = 561,011.28/x
  3. Step 3: Cross multiply
    1,019,862.58x = 1,407,444.92 × 561,011.28
  4. Step 4: Simplify right side
    1,019,862.58x = 789,592,476,098.70
  5. Step 5: Solve for x
    x = 789,592,476,098.70/1,019,862.58
  6. Step 6: Final answer
    x = 774,214.58

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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.