Home / 901,890.48-1,245,445.56-675,142.32

Finding the Fourth Proportional to 901,890.48, 1,245,445.56 and 675,142.32

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Solution

The fourth proportional to 901,890.48, 1,245,445.56 and 675,142.32 is: 932,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,890.48 : 1,245,445.56 = 675,142.32 : x
  2. Step 2: Convert to fraction form
    901,890.48/1,245,445.56 = 675,142.32/x
  3. Step 3: Cross multiply
    901,890.48x = 1,245,445.56 × 675,142.32
  4. Step 4: Simplify right side
    901,890.48x = 840,853,004,812.10
  5. Step 5: Solve for x
    x = 840,853,004,812.10/901,890.48
  6. Step 6: Final answer
    x = 932,322.74

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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.