Home / 1,417,272.69-1,955,752.04-805,340.53

Finding the Fourth Proportional to 1,417,272.69, 1,955,752.04 and 805,340.53

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Solution

The fourth proportional to 1,417,272.69, 1,955,752.04 and 805,340.53 is: 1,111,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,272.69 : 1,955,752.04 = 805,340.53 : x
  2. Step 2: Convert to fraction form
    1,417,272.69/1,955,752.04 = 805,340.53/x
  3. Step 3: Cross multiply
    1,417,272.69x = 1,955,752.04 × 805,340.53
  4. Step 4: Simplify right side
    1,417,272.69x = 1,575,046,373,369.08
  5. Step 5: Solve for x
    x = 1,575,046,373,369.08/1,417,272.69
  6. Step 6: Final answer
    x = 1,111,322.03

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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.