Home / 876,446.30-1,314,280.65-403,276.70

Finding the Fourth Proportional to 876,446.30, 1,314,280.65 and 403,276.70

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Solution

The fourth proportional to 876,446.30, 1,314,280.65 and 403,276.70 is: 604,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,446.30 : 1,314,280.65 = 403,276.70 : x
  2. Step 2: Convert to fraction form
    876,446.30/1,314,280.65 = 403,276.70/x
  3. Step 3: Cross multiply
    876,446.30x = 1,314,280.65 × 403,276.70
  4. Step 4: Simplify right side
    876,446.30x = 530,018,763,405.86
  5. Step 5: Solve for x
    x = 530,018,763,405.86/876,446.30
  6. Step 6: Final answer
    x = 604,736.15

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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.