Home / 1,091,132.16-1,505,809.11-607,697.28

Finding the Fourth Proportional to 1,091,132.16, 1,505,809.11 and 607,697.28

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Solution

The fourth proportional to 1,091,132.16, 1,505,809.11 and 607,697.28 is: 838,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,132.16 : 1,505,809.11 = 607,697.28 : x
  2. Step 2: Convert to fraction form
    1,091,132.16/1,505,809.11 = 607,697.28/x
  3. Step 3: Cross multiply
    1,091,132.16x = 1,505,809.11 × 607,697.28
  4. Step 4: Simplify right side
    1,091,132.16x = 915,076,100,346.22
  5. Step 5: Solve for x
    x = 915,076,100,346.22/1,091,132.16
  6. Step 6: Final answer
    x = 838,648.27

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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.