Home / 1,091,388.16-1,505,915.74-607,941.28

Finding the Fourth Proportional to 1,091,388.16, 1,505,915.74 and 607,941.28

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Solution

The fourth proportional to 1,091,388.16, 1,505,915.74 and 607,941.28 is: 838,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,388.16 : 1,505,915.74 = 607,941.28 : x
  2. Step 2: Convert to fraction form
    1,091,388.16/1,505,915.74 = 607,941.28/x
  3. Step 3: Cross multiply
    1,091,388.16x = 1,505,915.74 × 607,941.28
  4. Step 4: Simplify right side
    1,091,388.16x = 915,508,342,547.75
  5. Step 5: Solve for x
    x = 915,508,342,547.75/1,091,388.16
  6. Step 6: Final answer
    x = 838,847.60

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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.