Home / 1,653,374.42-2,281,480.47-928,301.90

Finding the Fourth Proportional to 1,653,374.42, 2,281,480.47 and 928,301.90

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Solution

The fourth proportional to 1,653,374.42, 2,281,480.47 and 928,301.90 is: 1,280,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,374.42 : 2,281,480.47 = 928,301.90 : x
  2. Step 2: Convert to fraction form
    1,653,374.42/2,281,480.47 = 928,301.90/x
  3. Step 3: Cross multiply
    1,653,374.42x = 2,281,480.47 × 928,301.90
  4. Step 4: Simplify right side
    1,653,374.42x = 2,117,902,643,706.49
  5. Step 5: Solve for x
    x = 2,117,902,643,706.49/1,653,374.42
  6. Step 6: Final answer
    x = 1,280,957.67

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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.