Home / 1,315,335.12-1,973,070.72-416,872.32

Finding the Fourth Proportional to 1,315,335.12, 1,973,070.72 and 416,872.32

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Solution

The fourth proportional to 1,315,335.12, 1,973,070.72 and 416,872.32 is: 625,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,335.12 : 1,973,070.72 = 416,872.32 : x
  2. Step 2: Convert to fraction form
    1,315,335.12/1,973,070.72 = 416,872.32/x
  3. Step 3: Cross multiply
    1,315,335.12x = 1,973,070.72 × 416,872.32
  4. Step 4: Simplify right side
    1,315,335.12x = 822,518,568,570.47
  5. Step 5: Solve for x
    x = 822,518,568,570.47/1,315,335.12
  6. Step 6: Final answer
    x = 625,330.04

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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.