Home / 939,412.90-1,409,025.89-433,966.65

Finding the Fourth Proportional to 939,412.90, 1,409,025.89 and 433,966.65

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Solution

The fourth proportional to 939,412.90, 1,409,025.89 and 433,966.65 is: 650,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,412.90 : 1,409,025.89 = 433,966.65 : x
  2. Step 2: Convert to fraction form
    939,412.90/1,409,025.89 = 433,966.65/x
  3. Step 3: Cross multiply
    939,412.90x = 1,409,025.89 × 433,966.65
  4. Step 4: Simplify right side
    939,412.90x = 611,470,245,246.57
  5. Step 5: Solve for x
    x = 611,470,245,246.57/939,412.90
  6. Step 6: Final answer
    x = 650,906.80

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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.