Home / 769,094.19-1,154,365.02-390,286.89

Finding the Fourth Proportional to 769,094.19, 1,154,365.02 and 390,286.89

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Solution

The fourth proportional to 769,094.19, 1,154,365.02 and 390,286.89 is: 585,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,094.19 : 1,154,365.02 = 390,286.89 : x
  2. Step 2: Convert to fraction form
    769,094.19/1,154,365.02 = 390,286.89/x
  3. Step 3: Cross multiply
    769,094.19x = 1,154,365.02 × 390,286.89
  4. Step 4: Simplify right side
    769,094.19x = 450,533,533,580.59
  5. Step 5: Solve for x
    x = 450,533,533,580.59/769,094.19
  6. Step 6: Final answer
    x = 585,797.60

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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.