Home / 1,692,440.40-2,335,628.28-928,516.08

Finding the Fourth Proportional to 1,692,440.40, 2,335,628.28 and 928,516.08

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Solution

The fourth proportional to 1,692,440.40, 2,335,628.28 and 928,516.08 is: 1,281,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,440.40 : 2,335,628.28 = 928,516.08 : x
  2. Step 2: Convert to fraction form
    1,692,440.40/2,335,628.28 = 928,516.08/x
  3. Step 3: Cross multiply
    1,692,440.40x = 2,335,628.28 × 928,516.08
  4. Step 4: Simplify right side
    1,692,440.40x = 2,168,668,414,882.74
  5. Step 5: Solve for x
    x = 2,168,668,414,882.74/1,692,440.40
  6. Step 6: Final answer
    x = 1,281,385.40

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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.