Home / 623,189.16-934,409.66-285,807.15

Finding the Fourth Proportional to 623,189.16, 934,409.66 and 285,807.15

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Solution

The fourth proportional to 623,189.16, 934,409.66 and 285,807.15 is: 428,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,189.16 : 934,409.66 = 285,807.15 : x
  2. Step 2: Convert to fraction form
    623,189.16/934,409.66 = 285,807.15/x
  3. Step 3: Cross multiply
    623,189.16x = 934,409.66 × 285,807.15
  4. Step 4: Simplify right side
    623,189.16x = 267,060,960,428.03
  5. Step 5: Solve for x
    x = 267,060,960,428.03/623,189.16
  6. Step 6: Final answer
    x = 428,539.16

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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.