Home / 497,523.14-686,582.16-282,663.56

Finding the Fourth Proportional to 497,523.14, 686,582.16 and 282,663.56

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Solution

The fourth proportional to 497,523.14, 686,582.16 and 282,663.56 is: 390,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,523.14 : 686,582.16 = 282,663.56 : x
  2. Step 2: Convert to fraction form
    497,523.14/686,582.16 = 282,663.56/x
  3. Step 3: Cross multiply
    497,523.14x = 686,582.16 × 282,663.56
  4. Step 4: Simplify right side
    497,523.14x = 194,071,757,578.09
  5. Step 5: Solve for x
    x = 194,071,757,578.09/497,523.14
  6. Step 6: Final answer
    x = 390,075.84

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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.