Home / 1,025,074.40-1,537,758.34-315,162.04

Finding the Fourth Proportional to 1,025,074.40, 1,537,758.34 and 315,162.04

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Solution

The fourth proportional to 1,025,074.40, 1,537,758.34 and 315,162.04 is: 472,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,074.40 : 1,537,758.34 = 315,162.04 : x
  2. Step 2: Convert to fraction form
    1,025,074.40/1,537,758.34 = 315,162.04/x
  3. Step 3: Cross multiply
    1,025,074.40x = 1,537,758.34 × 315,162.04
  4. Step 4: Simplify right side
    1,025,074.40x = 484,643,055,461.41
  5. Step 5: Solve for x
    x = 484,643,055,461.41/1,025,074.40
  6. Step 6: Final answer
    x = 472,788.18

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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.