Home / 813,236.02-1,122,310.65-450,652.30

Finding the Fourth Proportional to 813,236.02, 1,122,310.65 and 450,652.30

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Solution

The fourth proportional to 813,236.02, 1,122,310.65 and 450,652.30 is: 621,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,236.02 : 1,122,310.65 = 450,652.30 : x
  2. Step 2: Convert to fraction form
    813,236.02/1,122,310.65 = 450,652.30/x
  3. Step 3: Cross multiply
    813,236.02x = 1,122,310.65 × 450,652.30
  4. Step 4: Simplify right side
    813,236.02x = 505,771,875,737.00
  5. Step 5: Solve for x
    x = 505,771,875,737.00/813,236.02
  6. Step 6: Final answer
    x = 621,925.08

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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.