Home / 653,828.60-980,742.90-233,118.20

Finding the Fourth Proportional to 653,828.60, 980,742.90 and 233,118.20

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Solution

The fourth proportional to 653,828.60, 980,742.90 and 233,118.20 is: 349,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,828.60 : 980,742.90 = 233,118.20 : x
  2. Step 2: Convert to fraction form
    653,828.60/980,742.90 = 233,118.20/x
  3. Step 3: Cross multiply
    653,828.60x = 980,742.90 × 233,118.20
  4. Step 4: Simplify right side
    653,828.60x = 228,629,019,510.78
  5. Step 5: Solve for x
    x = 228,629,019,510.78/653,828.60
  6. Step 6: Final answer
    x = 349,677.30

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Half scale
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Double scale
Find fourth proportional to 653,829.60, 980,744.40 and 233,119.20
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.