Home / 943,401.76-1,301,877.56-513,674.08

Finding the Fourth Proportional to 943,401.76, 1,301,877.56 and 513,674.08

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Solution

The fourth proportional to 943,401.76, 1,301,877.56 and 513,674.08 is: 708,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,401.76 : 1,301,877.56 = 513,674.08 : x
  2. Step 2: Convert to fraction form
    943,401.76/1,301,877.56 = 513,674.08/x
  3. Step 3: Cross multiply
    943,401.76x = 1,301,877.56 × 513,674.08
  4. Step 4: Simplify right side
    943,401.76x = 668,740,757,905.65
  5. Step 5: Solve for x
    x = 668,740,757,905.65/943,401.76
  6. Step 6: Final answer
    x = 708,861.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.