Home / 1,653,328.41-2,281,435.72-928,009.86

Finding the Fourth Proportional to 1,653,328.41, 2,281,435.72 and 928,009.86

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Solution

The fourth proportional to 1,653,328.41, 2,281,435.72 and 928,009.86 is: 1,280,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,328.41 : 2,281,435.72 = 928,009.86 : x
  2. Step 2: Convert to fraction form
    1,653,328.41/2,281,435.72 = 928,009.86/x
  3. Step 3: Cross multiply
    1,653,328.41x = 2,281,435.72 × 928,009.86
  4. Step 4: Simplify right side
    1,653,328.41x = 2,117,194,843,116.20
  5. Step 5: Solve for x
    x = 2,117,194,843,116.20/1,653,328.41
  6. Step 6: Final answer
    x = 1,280,565.21

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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.