Home / 918,089.40-1,374,023.70-918,089.40

Finding the Fourth Proportional to 918,089.40, 1,374,023.70 and 918,089.40

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Solution

The fourth proportional to 918,089.40, 1,374,023.70 and 918,089.40 is: 1,374,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,089.40 : 1,374,023.70 = 918,089.40 : x
  2. Step 2: Convert to fraction form
    918,089.40/1,374,023.70 = 918,089.40/x
  3. Step 3: Cross multiply
    918,089.40x = 1,374,023.70 × 918,089.40
  4. Step 4: Simplify right side
    918,089.40x = 1,261,476,594,318.78
  5. Step 5: Solve for x
    x = 1,261,476,594,318.78/918,089.40
  6. Step 6: Final answer
    x = 1,374,023.70

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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.