Home / 845,085.21-1,166,215.68-457,911.20

Finding the Fourth Proportional to 845,085.21, 1,166,215.68 and 457,911.20

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Solution

The fourth proportional to 845,085.21, 1,166,215.68 and 457,911.20 is: 631,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,085.21 : 1,166,215.68 = 457,911.20 : x
  2. Step 2: Convert to fraction form
    845,085.21/1,166,215.68 = 457,911.20/x
  3. Step 3: Cross multiply
    845,085.21x = 1,166,215.68 × 457,911.20
  4. Step 4: Simplify right side
    845,085.21x = 534,023,221,487.62
  5. Step 5: Solve for x
    x = 534,023,221,487.62/845,085.21
  6. Step 6: Final answer
    x = 631,916.42

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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.