Home / 936,032.78-1,291,725.50-528,221.07

Finding the Fourth Proportional to 936,032.78, 1,291,725.50 and 528,221.07

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Solution

The fourth proportional to 936,032.78, 1,291,725.50 and 528,221.07 is: 728,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,032.78 : 1,291,725.50 = 528,221.07 : x
  2. Step 2: Convert to fraction form
    936,032.78/1,291,725.50 = 528,221.07/x
  3. Step 3: Cross multiply
    936,032.78x = 1,291,725.50 × 528,221.07
  4. Step 4: Simplify right side
    936,032.78x = 682,316,623,115.18
  5. Step 5: Solve for x
    x = 682,316,623,115.18/936,032.78
  6. Step 6: Final answer
    x = 728,945.22

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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.