Home / 1,173,478.65-1,619,122.80-664,181.02

Finding the Fourth Proportional to 1,173,478.65, 1,619,122.80 and 664,181.02

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Solution

The fourth proportional to 1,173,478.65, 1,619,122.80 and 664,181.02 is: 916,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,478.65 : 1,619,122.80 = 664,181.02 : x
  2. Step 2: Convert to fraction form
    1,173,478.65/1,619,122.80 = 664,181.02/x
  3. Step 3: Cross multiply
    1,173,478.65x = 1,619,122.80 × 664,181.02
  4. Step 4: Simplify right side
    1,173,478.65x = 1,075,390,632,809.26
  5. Step 5: Solve for x
    x = 1,075,390,632,809.26/1,173,478.65
  6. Step 6: Final answer
    x = 916,412.61

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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.