Home / 334,612.20-501,918.30-307,655.40

Finding the Fourth Proportional to 334,612.20, 501,918.30 and 307,655.40

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Solution

The fourth proportional to 334,612.20, 501,918.30 and 307,655.40 is: 461,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,612.20 : 501,918.30 = 307,655.40 : x
  2. Step 2: Convert to fraction form
    334,612.20/501,918.30 = 307,655.40/x
  3. Step 3: Cross multiply
    334,612.20x = 501,918.30 × 307,655.40
  4. Step 4: Simplify right side
    334,612.20x = 154,417,875,353.82
  5. Step 5: Solve for x
    x = 154,417,875,353.82/334,612.20
  6. Step 6: Final answer
    x = 461,483.10

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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.