Home / 883,142.92-1,218,766.63-496,026.45

Finding the Fourth Proportional to 883,142.92, 1,218,766.63 and 496,026.45

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Solution

The fourth proportional to 883,142.92, 1,218,766.63 and 496,026.45 is: 684,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,142.92 : 1,218,766.63 = 496,026.45 : x
  2. Step 2: Convert to fraction form
    883,142.92/1,218,766.63 = 496,026.45/x
  3. Step 3: Cross multiply
    883,142.92x = 1,218,766.63 × 496,026.45
  4. Step 4: Simplify right side
    883,142.92x = 604,540,483,617.30
  5. Step 5: Solve for x
    x = 604,540,483,617.30/883,142.92
  6. Step 6: Final answer
    x = 684,533.01

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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.