Home / 1,584,420.40-2,377,330.44-639,636.40

Finding the Fourth Proportional to 1,584,420.40, 2,377,330.44 and 639,636.40

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Solution

The fourth proportional to 1,584,420.40, 2,377,330.44 and 639,636.40 is: 959,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,420.40 : 2,377,330.44 = 639,636.40 : x
  2. Step 2: Convert to fraction form
    1,584,420.40/2,377,330.44 = 639,636.40/x
  3. Step 3: Cross multiply
    1,584,420.40x = 2,377,330.44 × 639,636.40
  4. Step 4: Simplify right side
    1,584,420.40x = 1,520,627,084,252.02
  5. Step 5: Solve for x
    x = 1,520,627,084,252.02/1,584,420.40
  6. Step 6: Final answer
    x = 959,737.13

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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.