Home / 876,445.80-1,314,279.90-403,276.20

Finding the Fourth Proportional to 876,445.80, 1,314,279.90 and 403,276.20

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Solution

The fourth proportional to 876,445.80, 1,314,279.90 and 403,276.20 is: 604,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,445.80 : 1,314,279.90 = 403,276.20 : x
  2. Step 2: Convert to fraction form
    876,445.80/1,314,279.90 = 403,276.20/x
  3. Step 3: Cross multiply
    876,445.80x = 1,314,279.90 × 403,276.20
  4. Step 4: Simplify right side
    876,445.80x = 530,017,803,808.38
  5. Step 5: Solve for x
    x = 530,017,803,808.38/876,445.80
  6. Step 6: Final answer
    x = 604,735.40

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Double scale
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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.