Home / 1,281,083.31-1,921,624.95-523,282.34

Finding the Fourth Proportional to 1,281,083.31, 1,921,624.95 and 523,282.34

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Solution

The fourth proportional to 1,281,083.31, 1,921,624.95 and 523,282.34 is: 784,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,083.31 : 1,921,624.95 = 523,282.34 : x
  2. Step 2: Convert to fraction form
    1,281,083.31/1,921,624.95 = 523,282.34/x
  3. Step 3: Cross multiply
    1,281,083.31x = 1,921,624.95 × 523,282.34
  4. Step 4: Simplify right side
    1,281,083.31x = 1,005,552,390,830.26
  5. Step 5: Solve for x
    x = 1,005,552,390,830.26/1,281,083.31
  6. Step 6: Final answer
    x = 784,923.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.