Home / 1,623,890.40-2,240,719.10-935,427.78

Finding the Fourth Proportional to 1,623,890.40, 2,240,719.10 and 935,427.78

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Solution

The fourth proportional to 1,623,890.40, 2,240,719.10 and 935,427.78 is: 1,290,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,890.40 : 2,240,719.10 = 935,427.78 : x
  2. Step 2: Convert to fraction form
    1,623,890.40/2,240,719.10 = 935,427.78/x
  3. Step 3: Cross multiply
    1,623,890.40x = 2,240,719.10 × 935,427.78
  4. Step 4: Simplify right side
    1,623,890.40x = 2,096,030,888,639.46
  5. Step 5: Solve for x
    x = 2,096,030,888,639.46/1,623,890.40
  6. Step 6: Final answer
    x = 1,290,746.52

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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.