Home / 770,805.36-1,063,837.26-528,888.24

Finding the Fourth Proportional to 770,805.36, 1,063,837.26 and 528,888.24

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Solution

The fourth proportional to 770,805.36, 1,063,837.26 and 528,888.24 is: 729,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,805.36 : 1,063,837.26 = 528,888.24 : x
  2. Step 2: Convert to fraction form
    770,805.36/1,063,837.26 = 528,888.24/x
  3. Step 3: Cross multiply
    770,805.36x = 1,063,837.26 × 528,888.24
  4. Step 4: Simplify right side
    770,805.36x = 562,651,016,087.82
  5. Step 5: Solve for x
    x = 562,651,016,087.82/770,805.36
  6. Step 6: Final answer
    x = 729,952.13

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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.