Home / 864,196.40-1,296,294.60-724,228.40

Finding the Fourth Proportional to 864,196.40, 1,296,294.60 and 724,228.40

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Solution

The fourth proportional to 864,196.40, 1,296,294.60 and 724,228.40 is: 1,086,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,196.40 : 1,296,294.60 = 724,228.40 : x
  2. Step 2: Convert to fraction form
    864,196.40/1,296,294.60 = 724,228.40/x
  3. Step 3: Cross multiply
    864,196.40x = 1,296,294.60 × 724,228.40
  4. Step 4: Simplify right side
    864,196.40x = 938,813,364,086.64
  5. Step 5: Solve for x
    x = 938,813,364,086.64/864,196.40
  6. Step 6: Final answer
    x = 1,086,342.60

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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.