Home / 864,210.80-1,296,316.20-233,188.40

Finding the Fourth Proportional to 864,210.80, 1,296,316.20 and 233,188.40

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Solution

The fourth proportional to 864,210.80, 1,296,316.20 and 233,188.40 is: 349,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,210.80 : 1,296,316.20 = 233,188.40 : x
  2. Step 2: Convert to fraction form
    864,210.80/1,296,316.20 = 233,188.40/x
  3. Step 3: Cross multiply
    864,210.80x = 1,296,316.20 × 233,188.40
  4. Step 4: Simplify right side
    864,210.80x = 302,285,900,572.08
  5. Step 5: Solve for x
    x = 302,285,900,572.08/864,210.80
  6. Step 6: Final answer
    x = 349,782.60

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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.