Home / 853,834.60-1,280,751.90-801,303.40

Finding the Fourth Proportional to 853,834.60, 1,280,751.90 and 801,303.40

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Solution

The fourth proportional to 853,834.60, 1,280,751.90 and 801,303.40 is: 1,201,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,834.60 : 1,280,751.90 = 801,303.40 : x
  2. Step 2: Convert to fraction form
    853,834.60/1,280,751.90 = 801,303.40/x
  3. Step 3: Cross multiply
    853,834.60x = 1,280,751.90 × 801,303.40
  4. Step 4: Simplify right side
    853,834.60x = 1,026,270,852,026.46
  5. Step 5: Solve for x
    x = 1,026,270,852,026.46/853,834.60
  6. Step 6: Final answer
    x = 1,201,955.10

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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.