Home / 575,273.12-793,904.09-320,626.13

Finding the Fourth Proportional to 575,273.12, 793,904.09 and 320,626.13

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Solution

The fourth proportional to 575,273.12, 793,904.09 and 320,626.13 is: 442,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,273.12 : 793,904.09 = 320,626.13 : x
  2. Step 2: Convert to fraction form
    575,273.12/793,904.09 = 320,626.13/x
  3. Step 3: Cross multiply
    575,273.12x = 793,904.09 × 320,626.13
  4. Step 4: Simplify right side
    575,273.12x = 254,546,390,395.22
  5. Step 5: Solve for x
    x = 254,546,390,395.22/575,273.12
  6. Step 6: Final answer
    x = 442,479.20

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1.5x scale

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.