Home / 943,455.06-1,301,928.89-513,734.16

Finding the Fourth Proportional to 943,455.06, 1,301,928.89 and 513,734.16

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Solution

The fourth proportional to 943,455.06, 1,301,928.89 and 513,734.16 is: 708,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,455.06 : 1,301,928.89 = 513,734.16 : x
  2. Step 2: Convert to fraction form
    943,455.06/1,301,928.89 = 513,734.16/x
  3. Step 3: Cross multiply
    943,455.06x = 1,301,928.89 × 513,734.16
  4. Step 4: Simplify right side
    943,455.06x = 668,845,342,115.21
  5. Step 5: Solve for x
    x = 668,845,342,115.21/943,455.06
  6. Step 6: Final answer
    x = 708,931.85

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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.