Home / 816,793.52-1,127,009.88-477,196.16

Finding the Fourth Proportional to 816,793.52, 1,127,009.88 and 477,196.16

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Solution

The fourth proportional to 816,793.52, 1,127,009.88 and 477,196.16 is: 658,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,793.52 : 1,127,009.88 = 477,196.16 : x
  2. Step 2: Convert to fraction form
    816,793.52/1,127,009.88 = 477,196.16/x
  3. Step 3: Cross multiply
    816,793.52x = 1,127,009.88 × 477,196.16
  4. Step 4: Simplify right side
    816,793.52x = 537,804,787,018.06
  5. Step 5: Solve for x
    x = 537,804,787,018.06/816,793.52
  6. Step 6: Final answer
    x = 658,434.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.