Home / 943,225.49-1,301,678.43-513,512.93

Finding the Fourth Proportional to 943,225.49, 1,301,678.43 and 513,512.93

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Solution

The fourth proportional to 943,225.49, 1,301,678.43 and 513,512.93 is: 708,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,225.49 : 1,301,678.43 = 513,512.93 : x
  2. Step 2: Convert to fraction form
    943,225.49/1,301,678.43 = 513,512.93/x
  3. Step 3: Cross multiply
    943,225.49x = 1,301,678.43 × 513,512.93
  4. Step 4: Simplify right side
    943,225.49x = 668,428,704,507.10
  5. Step 5: Solve for x
    x = 668,428,704,507.10/943,225.49
  6. Step 6: Final answer
    x = 708,662.68

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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.