Home / 845,145.50-1,166,332.57-482,572.49

Finding the Fourth Proportional to 845,145.50, 1,166,332.57 and 482,572.49

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Solution

The fourth proportional to 845,145.50, 1,166,332.57 and 482,572.49 is: 665,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,145.50 : 1,166,332.57 = 482,572.49 : x
  2. Step 2: Convert to fraction form
    845,145.50/1,166,332.57 = 482,572.49/x
  3. Step 3: Cross multiply
    845,145.50x = 1,166,332.57 × 482,572.49
  4. Step 4: Simplify right side
    845,145.50x = 562,840,005,434.91
  5. Step 5: Solve for x
    x = 562,840,005,434.91/845,145.50
  6. Step 6: Final answer
    x = 665,968.18

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.