Home / 863,666.54-1,191,853.14-476,498.28

Finding the Fourth Proportional to 863,666.54, 1,191,853.14 and 476,498.28

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Solution

The fourth proportional to 863,666.54, 1,191,853.14 and 476,498.28 is: 657,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,666.54 : 1,191,853.14 = 476,498.28 : x
  2. Step 2: Convert to fraction form
    863,666.54/1,191,853.14 = 476,498.28/x
  3. Step 3: Cross multiply
    863,666.54x = 1,191,853.14 × 476,498.28
  4. Step 4: Simplify right side
    863,666.54x = 567,915,971,222.60
  5. Step 5: Solve for x
    x = 567,915,971,222.60/863,666.54
  6. Step 6: Final answer
    x = 657,563.94

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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.