Home / 1,697,643.20-2,341,962.24-1,017,398.72

Finding the Fourth Proportional to 1,697,643.20, 2,341,962.24 and 1,017,398.72

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Solution

The fourth proportional to 1,697,643.20, 2,341,962.24 and 1,017,398.72 is: 1,403,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,643.20 : 2,341,962.24 = 1,017,398.72 : x
  2. Step 2: Convert to fraction form
    1,697,643.20/2,341,962.24 = 1,017,398.72/x
  3. Step 3: Cross multiply
    1,697,643.20x = 2,341,962.24 × 1,017,398.72
  4. Step 4: Simplify right side
    1,697,643.20x = 2,382,709,385,264.33
  5. Step 5: Solve for x
    x = 2,382,709,385,264.33/1,697,643.20
  6. Step 6: Final answer
    x = 1,403,539.56

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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.