Home / 977,190.60-1,465,785.90-623,771.40

Finding the Fourth Proportional to 977,190.60, 1,465,785.90 and 623,771.40

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Solution

The fourth proportional to 977,190.60, 1,465,785.90 and 623,771.40 is: 935,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,190.60 : 1,465,785.90 = 623,771.40 : x
  2. Step 2: Convert to fraction form
    977,190.60/1,465,785.90 = 623,771.40/x
  3. Step 3: Cross multiply
    977,190.60x = 1,465,785.90 × 623,771.40
  4. Step 4: Simplify right side
    977,190.60x = 914,315,322,943.26
  5. Step 5: Solve for x
    x = 914,315,322,943.26/977,190.60
  6. Step 6: Final answer
    x = 935,657.10

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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.