Home / 810,809.16-1,118,909.34-448,242.24

Finding the Fourth Proportional to 810,809.16, 1,118,909.34 and 448,242.24

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Solution

The fourth proportional to 810,809.16, 1,118,909.34 and 448,242.24 is: 618,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,809.16 : 1,118,909.34 = 448,242.24 : x
  2. Step 2: Convert to fraction form
    810,809.16/1,118,909.34 = 448,242.24/x
  3. Step 3: Cross multiply
    810,809.16x = 1,118,909.34 × 448,242.24
  4. Step 4: Simplify right side
    810,809.16x = 501,542,428,918.52
  5. Step 5: Solve for x
    x = 501,542,428,918.52/810,809.16
  6. Step 6: Final answer
    x = 618,570.26

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Double scale
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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.