Home / 868,259.60-1,302,389.40-237,237.20

Finding the Fourth Proportional to 868,259.60, 1,302,389.40 and 237,237.20

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Solution

The fourth proportional to 868,259.60, 1,302,389.40 and 237,237.20 is: 355,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,259.60 : 1,302,389.40 = 237,237.20 : x
  2. Step 2: Convert to fraction form
    868,259.60/1,302,389.40 = 237,237.20/x
  3. Step 3: Cross multiply
    868,259.60x = 1,302,389.40 × 237,237.20
  4. Step 4: Simplify right side
    868,259.60x = 308,975,214,565.68
  5. Step 5: Solve for x
    x = 308,975,214,565.68/868,259.60
  6. Step 6: Final answer
    x = 355,855.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.