Home / 867,075.60-1,300,613.40-235,988.40

Finding the Fourth Proportional to 867,075.60, 1,300,613.40 and 235,988.40

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Solution

The fourth proportional to 867,075.60, 1,300,613.40 and 235,988.40 is: 353,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,075.60 : 1,300,613.40 = 235,988.40 : x
  2. Step 2: Convert to fraction form
    867,075.60/1,300,613.40 = 235,988.40/x
  3. Step 3: Cross multiply
    867,075.60x = 1,300,613.40 × 235,988.40
  4. Step 4: Simplify right side
    867,075.60x = 306,929,675,284.56
  5. Step 5: Solve for x
    x = 306,929,675,284.56/867,075.60
  6. Step 6: Final answer
    x = 353,982.60

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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.