Home / 628,707.60-943,061.40-229,215.60

Finding the Fourth Proportional to 628,707.60, 943,061.40 and 229,215.60

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Solution

The fourth proportional to 628,707.60, 943,061.40 and 229,215.60 is: 343,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,707.60 : 943,061.40 = 229,215.60 : x
  2. Step 2: Convert to fraction form
    628,707.60/943,061.40 = 229,215.60/x
  3. Step 3: Cross multiply
    628,707.60x = 943,061.40 × 229,215.60
  4. Step 4: Simplify right side
    628,707.60x = 216,164,384,637.84
  5. Step 5: Solve for x
    x = 216,164,384,637.84/628,707.60
  6. Step 6: Final answer
    x = 343,823.40

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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.