Home / 762,061.50-1,051,681.32-422,529.75

Finding the Fourth Proportional to 762,061.50, 1,051,681.32 and 422,529.75

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Solution

The fourth proportional to 762,061.50, 1,051,681.32 and 422,529.75 is: 583,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,061.50 : 1,051,681.32 = 422,529.75 : x
  2. Step 2: Convert to fraction form
    762,061.50/1,051,681.32 = 422,529.75/x
  3. Step 3: Cross multiply
    762,061.50x = 1,051,681.32 × 422,529.75
  4. Step 4: Simplify right side
    762,061.50x = 444,366,645,219.27
  5. Step 5: Solve for x
    x = 444,366,645,219.27/762,061.50
  6. Step 6: Final answer
    x = 583,111.26

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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.