Home / 497,521.03-688,552.23-485,582.08

Finding the Fourth Proportional to 497,521.03, 688,552.23 and 485,582.08

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Solution

The fourth proportional to 497,521.03, 688,552.23 and 485,582.08 is: 672,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,521.03 : 688,552.23 = 485,582.08 : x
  2. Step 2: Convert to fraction form
    497,521.03/688,552.23 = 485,582.08/x
  3. Step 3: Cross multiply
    497,521.03x = 688,552.23 × 485,582.08
  4. Step 4: Simplify right side
    497,521.03x = 334,348,624,032.04
  5. Step 5: Solve for x
    x = 334,348,624,032.04/497,521.03
  6. Step 6: Final answer
    x = 672,029.13

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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.