Home / 459,685.11-634,386.03-383,076.03

Finding the Fourth Proportional to 459,685.11, 634,386.03 and 383,076.03

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Solution

The fourth proportional to 459,685.11, 634,386.03 and 383,076.03 is: 528,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,685.11 : 634,386.03 = 383,076.03 : x
  2. Step 2: Convert to fraction form
    459,685.11/634,386.03 = 383,076.03/x
  3. Step 3: Cross multiply
    459,685.11x = 634,386.03 × 383,076.03
  4. Step 4: Simplify right side
    459,685.11x = 243,018,081,859.86
  5. Step 5: Solve for x
    x = 243,018,081,859.86/459,685.11
  6. Step 6: Final answer
    x = 528,662.07

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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.