Home / 1,316,643.66-1,974,763.80-417,968.10

Finding the Fourth Proportional to 1,316,643.66, 1,974,763.80 and 417,968.10

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Solution

The fourth proportional to 1,316,643.66, 1,974,763.80 and 417,968.10 is: 626,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,643.66 : 1,974,763.80 = 417,968.10 : x
  2. Step 2: Convert to fraction form
    1,316,643.66/1,974,763.80 = 417,968.10/x
  3. Step 3: Cross multiply
    1,316,643.66x = 1,974,763.80 × 417,968.10
  4. Step 4: Simplify right side
    1,316,643.66x = 825,388,273,434.78
  5. Step 5: Solve for x
    x = 825,388,273,434.78/1,316,643.66
  6. Step 6: Final answer
    x = 626,888.12

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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.