Home / 1,258,587.30-1,888,154.33-459,867.57

Finding the Fourth Proportional to 1,258,587.30, 1,888,154.33 and 459,867.57

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Solution

The fourth proportional to 1,258,587.30, 1,888,154.33 and 459,867.57 is: 689,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,587.30 : 1,888,154.33 = 459,867.57 : x
  2. Step 2: Convert to fraction form
    1,258,587.30/1,888,154.33 = 459,867.57/x
  3. Step 3: Cross multiply
    1,258,587.30x = 1,888,154.33 × 459,867.57
  4. Step 4: Simplify right side
    1,258,587.30x = 868,300,941,222.74
  5. Step 5: Solve for x
    x = 868,300,941,222.74/1,258,587.30
  6. Step 6: Final answer
    x = 689,901.24

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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.