Home / 1,692,340.19-2,335,490.13-928,416.23

Finding the Fourth Proportional to 1,692,340.19, 2,335,490.13 and 928,416.23

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Solution

The fourth proportional to 1,692,340.19, 2,335,490.13 and 928,416.23 is: 1,281,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,340.19 : 2,335,490.13 = 928,416.23 : x
  2. Step 2: Convert to fraction form
    1,692,340.19/2,335,490.13 = 928,416.23/x
  3. Step 3: Cross multiply
    1,692,340.19x = 2,335,490.13 × 928,416.23
  4. Step 4: Simplify right side
    1,692,340.19x = 2,168,306,941,696.81
  5. Step 5: Solve for x
    x = 2,168,306,941,696.81/1,692,340.19
  6. Step 6: Final answer
    x = 1,281,247.68

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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.