Home / 864,088.40-1,293,864.60-609,996.80

Finding the Fourth Proportional to 864,088.40, 1,293,864.60 and 609,996.80

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Solution

The fourth proportional to 864,088.40, 1,293,864.60 and 609,996.80 is: 913,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,088.40 : 1,293,864.60 = 609,996.80 : x
  2. Step 2: Convert to fraction form
    864,088.40/1,293,864.60 = 609,996.80/x
  3. Step 3: Cross multiply
    864,088.40x = 1,293,864.60 × 609,996.80
  4. Step 4: Simplify right side
    864,088.40x = 789,253,265,633.28
  5. Step 5: Solve for x
    x = 789,253,265,633.28/864,088.40
  6. Step 6: Final answer
    x = 913,394.12

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1.5x scale

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.