Home / 848,323.20-1,272,484.80-488,124.30

Finding the Fourth Proportional to 848,323.20, 1,272,484.80 and 488,124.30

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Solution

The fourth proportional to 848,323.20, 1,272,484.80 and 488,124.30 is: 732,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,323.20 : 1,272,484.80 = 488,124.30 : x
  2. Step 2: Convert to fraction form
    848,323.20/1,272,484.80 = 488,124.30/x
  3. Step 3: Cross multiply
    848,323.20x = 1,272,484.80 × 488,124.30
  4. Step 4: Simplify right side
    848,323.20x = 621,130,752,260.64
  5. Step 5: Solve for x
    x = 621,130,752,260.64/848,323.20
  6. Step 6: Final answer
    x = 732,186.45

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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.