Home / 590,784.29-815,285.65-336,135.48

Finding the Fourth Proportional to 590,784.29, 815,285.65 and 336,135.48

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Solution

The fourth proportional to 590,784.29, 815,285.65 and 336,135.48 is: 463,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,784.29 : 815,285.65 = 336,135.48 : x
  2. Step 2: Convert to fraction form
    590,784.29/815,285.65 = 336,135.48/x
  3. Step 3: Cross multiply
    590,784.29x = 815,285.65 × 336,135.48
  4. Step 4: Simplify right side
    590,784.29x = 274,046,431,619.19
  5. Step 5: Solve for x
    x = 274,046,431,619.19/590,784.29
  6. Step 6: Final answer
    x = 463,868.85

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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.