Home / 939,430.14-1,296,275.76-525,945.54

Finding the Fourth Proportional to 939,430.14, 1,296,275.76 and 525,945.54

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Solution

The fourth proportional to 939,430.14, 1,296,275.76 and 525,945.54 is: 725,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,430.14 : 1,296,275.76 = 525,945.54 : x
  2. Step 2: Convert to fraction form
    939,430.14/1,296,275.76 = 525,945.54/x
  3. Step 3: Cross multiply
    939,430.14x = 1,296,275.76 × 525,945.54
  4. Step 4: Simplify right side
    939,430.14x = 681,770,454,582.11
  5. Step 5: Solve for x
    x = 681,770,454,582.11/939,430.14
  6. Step 6: Final answer
    x = 725,727.68

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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.