Home / 623,822.40-934,421.40-518,846.40

Finding the Fourth Proportional to 623,822.40, 934,421.40 and 518,846.40

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Solution

The fourth proportional to 623,822.40, 934,421.40 and 518,846.40 is: 777,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,822.40 : 934,421.40 = 518,846.40 : x
  2. Step 2: Convert to fraction form
    623,822.40/934,421.40 = 518,846.40/x
  3. Step 3: Cross multiply
    623,822.40x = 934,421.40 × 518,846.40
  4. Step 4: Simplify right side
    623,822.40x = 484,821,179,472.96
  5. Step 5: Solve for x
    x = 484,821,179,472.96/623,822.40
  6. Step 6: Final answer
    x = 777,178.22

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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.