Home / 626,421.60-939,632.40-227,075.40

Finding the Fourth Proportional to 626,421.60, 939,632.40 and 227,075.40

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Solution

The fourth proportional to 626,421.60, 939,632.40 and 227,075.40 is: 340,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,421.60 : 939,632.40 = 227,075.40 : x
  2. Step 2: Convert to fraction form
    626,421.60/939,632.40 = 227,075.40/x
  3. Step 3: Cross multiply
    626,421.60x = 939,632.40 × 227,075.40
  4. Step 4: Simplify right side
    626,421.60x = 213,367,403,082.96
  5. Step 5: Solve for x
    x = 213,367,403,082.96/626,421.60
  6. Step 6: Final answer
    x = 340,613.10

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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.