Home / 1,609,772.15-2,220,560.51-1,005,110.39

Finding the Fourth Proportional to 1,609,772.15, 2,220,560.51 and 1,005,110.39

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Solution

The fourth proportional to 1,609,772.15, 2,220,560.51 and 1,005,110.39 is: 1,386,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,772.15 : 2,220,560.51 = 1,005,110.39 : x
  2. Step 2: Convert to fraction form
    1,609,772.15/2,220,560.51 = 1,005,110.39/x
  3. Step 3: Cross multiply
    1,609,772.15x = 2,220,560.51 × 1,005,110.39
  4. Step 4: Simplify right side
    1,609,772.15x = 2,231,908,424,096.34
  5. Step 5: Solve for x
    x = 2,231,908,424,096.34/1,609,772.15
  6. Step 6: Final answer
    x = 1,386,474.74

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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.