Home / 602,606.68-831,569.34-330,667.72

Finding the Fourth Proportional to 602,606.68, 831,569.34 and 330,667.72

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Solution

The fourth proportional to 602,606.68, 831,569.34 and 330,667.72 is: 456,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,606.68 : 831,569.34 = 330,667.72 : x
  2. Step 2: Convert to fraction form
    602,606.68/831,569.34 = 330,667.72/x
  3. Step 3: Cross multiply
    602,606.68x = 831,569.34 × 330,667.72
  4. Step 4: Simplify right side
    602,606.68x = 274,973,137,679.71
  5. Step 5: Solve for x
    x = 274,973,137,679.71/602,606.68
  6. Step 6: Final answer
    x = 456,306.16

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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.