Home / 863,277.81-1,191,279.54-476,160.60

Finding the Fourth Proportional to 863,277.81, 1,191,279.54 and 476,160.60

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Solution

The fourth proportional to 863,277.81, 1,191,279.54 and 476,160.60 is: 657,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,277.81 : 1,191,279.54 = 476,160.60 : x
  2. Step 2: Convert to fraction form
    863,277.81/1,191,279.54 = 476,160.60/x
  3. Step 3: Cross multiply
    863,277.81x = 1,191,279.54 × 476,160.60
  4. Step 4: Simplify right side
    863,277.81x = 567,240,380,534.12
  5. Step 5: Solve for x
    x = 567,240,380,534.12/863,277.81
  6. Step 6: Final answer
    x = 657,077.45

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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.