Home / 872,351.40-1,308,527.10-606,412.20

Finding the Fourth Proportional to 872,351.40, 1,308,527.10 and 606,412.20

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Solution

The fourth proportional to 872,351.40, 1,308,527.10 and 606,412.20 is: 909,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,351.40 : 1,308,527.10 = 606,412.20 : x
  2. Step 2: Convert to fraction form
    872,351.40/1,308,527.10 = 606,412.20/x
  3. Step 3: Cross multiply
    872,351.40x = 1,308,527.10 × 606,412.20
  4. Step 4: Simplify right side
    872,351.40x = 793,506,797,470.62
  5. Step 5: Solve for x
    x = 793,506,797,470.62/872,351.40
  6. Step 6: Final answer
    x = 909,618.30

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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.