Home / 662,669.40-994,004.10-618,054.60

Finding the Fourth Proportional to 662,669.40, 994,004.10 and 618,054.60

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Solution

The fourth proportional to 662,669.40, 994,004.10 and 618,054.60 is: 927,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,669.40 : 994,004.10 = 618,054.60 : x
  2. Step 2: Convert to fraction form
    662,669.40/994,004.10 = 618,054.60/x
  3. Step 3: Cross multiply
    662,669.40x = 994,004.10 × 618,054.60
  4. Step 4: Simplify right side
    662,669.40x = 614,348,806,423.86
  5. Step 5: Solve for x
    x = 614,348,806,423.86/662,669.40
  6. Step 6: Final answer
    x = 927,081.90

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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.