Home / 891,273.36-1,230,114.48-528,897.04

Finding the Fourth Proportional to 891,273.36, 1,230,114.48 and 528,897.04

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Solution

The fourth proportional to 891,273.36, 1,230,114.48 and 528,897.04 is: 729,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,273.36 : 1,230,114.48 = 528,897.04 : x
  2. Step 2: Convert to fraction form
    891,273.36/1,230,114.48 = 528,897.04/x
  3. Step 3: Cross multiply
    891,273.36x = 1,230,114.48 × 528,897.04
  4. Step 4: Simplify right side
    891,273.36x = 650,603,907,333.14
  5. Step 5: Solve for x
    x = 650,603,907,333.14/891,273.36
  6. Step 6: Final answer
    x = 729,971.23

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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.