Home / 794,133.90-1,191,200.85-458,210.70

Finding the Fourth Proportional to 794,133.90, 1,191,200.85 and 458,210.70

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Solution

The fourth proportional to 794,133.90, 1,191,200.85 and 458,210.70 is: 687,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,133.90 : 1,191,200.85 = 458,210.70 : x
  2. Step 2: Convert to fraction form
    794,133.90/1,191,200.85 = 458,210.70/x
  3. Step 3: Cross multiply
    794,133.90x = 1,191,200.85 × 458,210.70
  4. Step 4: Simplify right side
    794,133.90x = 545,820,975,319.10
  5. Step 5: Solve for x
    x = 545,820,975,319.10/794,133.90
  6. Step 6: Final answer
    x = 687,316.05

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Double scale
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Similar ratio
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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.