Home / 943,366.06-1,301,832.12-513,646.21

Finding the Fourth Proportional to 943,366.06, 1,301,832.12 and 513,646.21

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Solution

The fourth proportional to 943,366.06, 1,301,832.12 and 513,646.21 is: 708,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,366.06 : 1,301,832.12 = 513,646.21 : x
  2. Step 2: Convert to fraction form
    943,366.06/1,301,832.12 = 513,646.21/x
  3. Step 3: Cross multiply
    943,366.06x = 1,301,832.12 × 513,646.21
  4. Step 4: Simplify right side
    943,366.06x = 668,681,134,494.27
  5. Step 5: Solve for x
    x = 668,681,134,494.27/943,366.06
  6. Step 6: Final answer
    x = 708,824.67

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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.