Home / 628,690.04-943,035.94-155,368.20

Finding the Fourth Proportional to 628,690.04, 943,035.94 and 155,368.20

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Solution

The fourth proportional to 628,690.04, 943,035.94 and 155,368.20 is: 233,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,690.04 : 943,035.94 = 155,368.20 : x
  2. Step 2: Convert to fraction form
    628,690.04/943,035.94 = 155,368.20/x
  3. Step 3: Cross multiply
    628,690.04x = 943,035.94 × 155,368.20
  4. Step 4: Simplify right side
    628,690.04x = 146,517,796,533.11
  5. Step 5: Solve for x
    x = 146,517,796,533.11/628,690.04
  6. Step 6: Final answer
    x = 233,052.52

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Double scale
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Similar ratio
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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.