Home / 1,124,073.40-1,686,110.10-1,005,975.40

Finding the Fourth Proportional to 1,124,073.40, 1,686,110.10 and 1,005,975.40

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Solution

The fourth proportional to 1,124,073.40, 1,686,110.10 and 1,005,975.40 is: 1,508,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,073.40 : 1,686,110.10 = 1,005,975.40 : x
  2. Step 2: Convert to fraction form
    1,124,073.40/1,686,110.10 = 1,005,975.40/x
  3. Step 3: Cross multiply
    1,124,073.40x = 1,686,110.10 × 1,005,975.40
  4. Step 4: Simplify right side
    1,124,073.40x = 1,696,185,282,291.54
  5. Step 5: Solve for x
    x = 1,696,185,282,291.54/1,124,073.40
  6. Step 6: Final answer
    x = 1,508,963.10

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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.