Home / 1,173,557.36-1,619,499.48-664,255.28

Finding the Fourth Proportional to 1,173,557.36, 1,619,499.48 and 664,255.28

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Solution

The fourth proportional to 1,173,557.36, 1,619,499.48 and 664,255.28 is: 916,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,557.36 : 1,619,499.48 = 664,255.28 : x
  2. Step 2: Convert to fraction form
    1,173,557.36/1,619,499.48 = 664,255.28/x
  3. Step 3: Cross multiply
    1,173,557.36x = 1,619,499.48 × 664,255.28
  4. Step 4: Simplify right side
    1,173,557.36x = 1,075,761,080,547.25
  5. Step 5: Solve for x
    x = 1,075,761,080,547.25/1,173,557.36
  6. Step 6: Final answer
    x = 916,666.81

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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.