Home / 531,332.79-733,228.35-289,613.25

Finding the Fourth Proportional to 531,332.79, 733,228.35 and 289,613.25

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Solution

The fourth proportional to 531,332.79, 733,228.35 and 289,613.25 is: 399,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,332.79 : 733,228.35 = 289,613.25 : x
  2. Step 2: Convert to fraction form
    531,332.79/733,228.35 = 289,613.25/x
  3. Step 3: Cross multiply
    531,332.79x = 733,228.35 × 289,613.25
  4. Step 4: Simplify right side
    531,332.79x = 212,352,643,916.46
  5. Step 5: Solve for x
    x = 212,352,643,916.46/531,332.79
  6. Step 6: Final answer
    x = 399,660.34

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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.