Home / 977,220.60-1,467,143.10-623,801.40

Finding the Fourth Proportional to 977,220.60, 1,467,143.10 and 623,801.40

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Solution

The fourth proportional to 977,220.60, 1,467,143.10 and 623,801.40 is: 936,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,220.60 : 1,467,143.10 = 623,801.40 : x
  2. Step 2: Convert to fraction form
    977,220.60/1,467,143.10 = 623,801.40/x
  3. Step 3: Cross multiply
    977,220.60x = 1,467,143.10 × 623,801.40
  4. Step 4: Simplify right side
    977,220.60x = 915,205,919,780.34
  5. Step 5: Solve for x
    x = 915,205,919,780.34/977,220.60
  6. Step 6: Final answer
    x = 936,539.73

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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.