Home / 500,071.07-690,096.84-270,627.50

Finding the Fourth Proportional to 500,071.07, 690,096.84 and 270,627.50

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Solution

The fourth proportional to 500,071.07, 690,096.84 and 270,627.50 is: 373,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,071.07 : 690,096.84 = 270,627.50 : x
  2. Step 2: Convert to fraction form
    500,071.07/690,096.84 = 270,627.50/x
  3. Step 3: Cross multiply
    500,071.07x = 690,096.84 × 270,627.50
  4. Step 4: Simplify right side
    500,071.07x = 186,759,182,567.10
  5. Step 5: Solve for x
    x = 186,759,182,567.10/500,071.07
  6. Step 6: Final answer
    x = 373,465.28

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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.