Home / 1,300,515.66-1,793,526.03-1,116,696.78

Finding the Fourth Proportional to 1,300,515.66, 1,793,526.03 and 1,116,696.78

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Solution

The fourth proportional to 1,300,515.66, 1,793,526.03 and 1,116,696.78 is: 1,540,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,515.66 : 1,793,526.03 = 1,116,696.78 : x
  2. Step 2: Convert to fraction form
    1,300,515.66/1,793,526.03 = 1,116,696.78/x
  3. Step 3: Cross multiply
    1,300,515.66x = 1,793,526.03 × 1,116,696.78
  4. Step 4: Simplify right side
    1,300,515.66x = 2,002,824,742,547.18
  5. Step 5: Solve for x
    x = 2,002,824,742,547.18/1,300,515.66
  6. Step 6: Final answer
    x = 1,540,023.55

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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.