Home / 663,514.86-915,623.36-373,118.17

Finding the Fourth Proportional to 663,514.86, 915,623.36 and 373,118.17

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Solution

The fourth proportional to 663,514.86, 915,623.36 and 373,118.17 is: 514,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,514.86 : 915,623.36 = 373,118.17 : x
  2. Step 2: Convert to fraction form
    663,514.86/915,623.36 = 373,118.17/x
  3. Step 3: Cross multiply
    663,514.86x = 915,623.36 × 373,118.17
  4. Step 4: Simplify right side
    663,514.86x = 341,635,710,626.86
  5. Step 5: Solve for x
    x = 341,635,710,626.86/663,514.86
  6. Step 6: Final answer
    x = 514,887.81

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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.