Home / 936,230.51-1,292,031.33-528,431.60

Finding the Fourth Proportional to 936,230.51, 1,292,031.33 and 528,431.60

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Solution

The fourth proportional to 936,230.51, 1,292,031.33 and 528,431.60 is: 729,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,230.51 : 1,292,031.33 = 528,431.60 : x
  2. Step 2: Convert to fraction form
    936,230.51/1,292,031.33 = 528,431.60/x
  3. Step 3: Cross multiply
    936,230.51x = 1,292,031.33 × 528,431.60
  4. Step 4: Simplify right side
    936,230.51x = 682,750,182,962.03
  5. Step 5: Solve for x
    x = 682,750,182,962.03/936,230.51
  6. Step 6: Final answer
    x = 729,254.36

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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.