Home / 866,574.36-1,299,307.59-416,399.40

Finding the Fourth Proportional to 866,574.36, 1,299,307.59 and 416,399.40

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Solution

The fourth proportional to 866,574.36, 1,299,307.59 and 416,399.40 is: 624,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,574.36 : 1,299,307.59 = 416,399.40 : x
  2. Step 2: Convert to fraction form
    866,574.36/1,299,307.59 = 416,399.40/x
  3. Step 3: Cross multiply
    866,574.36x = 1,299,307.59 × 416,399.40
  4. Step 4: Simplify right side
    866,574.36x = 541,030,900,891.45
  5. Step 5: Solve for x
    x = 541,030,900,891.45/866,574.36
  6. Step 6: Final answer
    x = 624,332.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.