Home / 977,200.60-1,467,113.10-623,781.40

Finding the Fourth Proportional to 977,200.60, 1,467,113.10 and 623,781.40

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Solution

The fourth proportional to 977,200.60, 1,467,113.10 and 623,781.40 is: 936,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,200.60 : 1,467,113.10 = 623,781.40 : x
  2. Step 2: Convert to fraction form
    977,200.60/1,467,113.10 = 623,781.40/x
  3. Step 3: Cross multiply
    977,200.60x = 1,467,113.10 × 623,781.40
  4. Step 4: Simplify right side
    977,200.60x = 915,157,863,476.34
  5. Step 5: Solve for x
    x = 915,157,863,476.34/977,200.60
  6. Step 6: Final answer
    x = 936,509.72

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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.