Home / 1,861,205.64-2,792,002.65-513,368.47

Finding the Fourth Proportional to 1,861,205.64, 2,792,002.65 and 513,368.47

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Solution

The fourth proportional to 1,861,205.64, 2,792,002.65 and 513,368.47 is: 770,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,205.64 : 2,792,002.65 = 513,368.47 : x
  2. Step 2: Convert to fraction form
    1,861,205.64/2,792,002.65 = 513,368.47/x
  3. Step 3: Cross multiply
    1,861,205.64x = 2,792,002.65 × 513,368.47
  4. Step 4: Simplify right side
    1,861,205.64x = 1,433,326,128,666.45
  5. Step 5: Solve for x
    x = 1,433,326,128,666.45/1,861,205.64
  6. Step 6: Final answer
    x = 770,106.27

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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.