Home / 1,070,191.80-1,605,287.70-470,516.40

Finding the Fourth Proportional to 1,070,191.80, 1,605,287.70 and 470,516.40

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Solution

The fourth proportional to 1,070,191.80, 1,605,287.70 and 470,516.40 is: 705,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,191.80 : 1,605,287.70 = 470,516.40 : x
  2. Step 2: Convert to fraction form
    1,070,191.80/1,605,287.70 = 470,516.40/x
  3. Step 3: Cross multiply
    1,070,191.80x = 1,605,287.70 × 470,516.40
  4. Step 4: Simplify right side
    1,070,191.80x = 755,314,189,568.28
  5. Step 5: Solve for x
    x = 755,314,189,568.28/1,070,191.80
  6. Step 6: Final answer
    x = 705,774.60

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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.