Home / 943,064.45-1,301,429.10-513,344.55

Finding the Fourth Proportional to 943,064.45, 1,301,429.10 and 513,344.55

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Solution

The fourth proportional to 943,064.45, 1,301,429.10 and 513,344.55 is: 708,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,064.45 : 1,301,429.10 = 513,344.55 : x
  2. Step 2: Convert to fraction form
    943,064.45/1,301,429.10 = 513,344.55/x
  3. Step 3: Cross multiply
    943,064.45x = 1,301,429.10 × 513,344.55
  4. Step 4: Simplify right side
    943,064.45x = 668,081,535,696.41
  5. Step 5: Solve for x
    x = 668,081,535,696.41/943,064.45
  6. Step 6: Final answer
    x = 708,415.57

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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.