Home / 1,692,445.40-2,335,635.18-928,521.08

Finding the Fourth Proportional to 1,692,445.40, 2,335,635.18 and 928,521.08

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Solution

The fourth proportional to 1,692,445.40, 2,335,635.18 and 928,521.08 is: 1,281,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,445.40 : 2,335,635.18 = 928,521.08 : x
  2. Step 2: Convert to fraction form
    1,692,445.40/2,335,635.18 = 928,521.08/x
  3. Step 3: Cross multiply
    1,692,445.40x = 2,335,635.18 × 928,521.08
  4. Step 4: Simplify right side
    1,692,445.40x = 2,168,686,499,819.59
  5. Step 5: Solve for x
    x = 2,168,686,499,819.59/1,692,445.40
  6. Step 6: Final answer
    x = 1,281,392.30

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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.