Home / 684,853.50-945,101.07-383,047.50

Finding the Fourth Proportional to 684,853.50, 945,101.07 and 383,047.50

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Solution

The fourth proportional to 684,853.50, 945,101.07 and 383,047.50 is: 528,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,853.50 : 945,101.07 = 383,047.50 : x
  2. Step 2: Convert to fraction form
    684,853.50/945,101.07 = 383,047.50/x
  3. Step 3: Cross multiply
    684,853.50x = 945,101.07 × 383,047.50
  4. Step 4: Simplify right side
    684,853.50x = 362,018,602,110.83
  5. Step 5: Solve for x
    x = 362,018,602,110.83/684,853.50
  6. Step 6: Final answer
    x = 528,607.36

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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.