Home / 1,128,549.60-1,557,431.04-619,284.16

Finding the Fourth Proportional to 1,128,549.60, 1,557,431.04 and 619,284.16

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Solution

The fourth proportional to 1,128,549.60, 1,557,431.04 and 619,284.16 is: 854,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,549.60 : 1,557,431.04 = 619,284.16 : x
  2. Step 2: Convert to fraction form
    1,128,549.60/1,557,431.04 = 619,284.16/x
  3. Step 3: Cross multiply
    1,128,549.60x = 1,557,431.04 × 619,284.16
  4. Step 4: Simplify right side
    1,128,549.60x = 964,492,373,364.33
  5. Step 5: Solve for x
    x = 964,492,373,364.33/1,128,549.60
  6. Step 6: Final answer
    x = 854,630.03

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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.