Home / 612,788.16-919,175.36-239,073.60

Finding the Fourth Proportional to 612,788.16, 919,175.36 and 239,073.60

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Solution

The fourth proportional to 612,788.16, 919,175.36 and 239,073.60 is: 358,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,788.16 : 919,175.36 = 239,073.60 : x
  2. Step 2: Convert to fraction form
    612,788.16/919,175.36 = 239,073.60/x
  3. Step 3: Cross multiply
    612,788.16x = 919,175.36 × 239,073.60
  4. Step 4: Simplify right side
    612,788.16x = 219,750,562,346.50
  5. Step 5: Solve for x
    x = 219,750,562,346.50/612,788.16
  6. Step 6: Final answer
    x = 358,607.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.