Home / 531,848.74-733,953.66-290,130.56

Finding the Fourth Proportional to 531,848.74, 733,953.66 and 290,130.56

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Solution

The fourth proportional to 531,848.74, 733,953.66 and 290,130.56 is: 400,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,848.74 : 733,953.66 = 290,130.56 : x
  2. Step 2: Convert to fraction form
    531,848.74/733,953.66 = 290,130.56/x
  3. Step 3: Cross multiply
    531,848.74x = 733,953.66 × 290,130.56
  4. Step 4: Simplify right side
    531,848.74x = 212,942,386,389.85
  5. Step 5: Solve for x
    x = 212,942,386,389.85/531,848.74
  6. Step 6: Final answer
    x = 400,381.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.