Home / 867,375.20-1,301,257.20-334,848.80

Finding the Fourth Proportional to 867,375.20, 1,301,257.20 and 334,848.80

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Solution

The fourth proportional to 867,375.20, 1,301,257.20 and 334,848.80 is: 502,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,375.20 : 1,301,257.20 = 334,848.80 : x
  2. Step 2: Convert to fraction form
    867,375.20/1,301,257.20 = 334,848.80/x
  3. Step 3: Cross multiply
    867,375.20x = 1,301,257.20 × 334,848.80
  4. Step 4: Simplify right side
    867,375.20x = 435,724,411,911.36
  5. Step 5: Solve for x
    x = 435,724,411,911.36/867,375.20
  6. Step 6: Final answer
    x = 502,348.25

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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.