Home / 1,056,167.40-1,585,028.70-425,533.80

Finding the Fourth Proportional to 1,056,167.40, 1,585,028.70 and 425,533.80

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Solution

The fourth proportional to 1,056,167.40, 1,585,028.70 and 425,533.80 is: 638,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,167.40 : 1,585,028.70 = 425,533.80 : x
  2. Step 2: Convert to fraction form
    1,056,167.40/1,585,028.70 = 425,533.80/x
  3. Step 3: Cross multiply
    1,056,167.40x = 1,585,028.70 × 425,533.80
  4. Step 4: Simplify right side
    1,056,167.40x = 674,483,285,820.06
  5. Step 5: Solve for x
    x = 674,483,285,820.06/1,056,167.40
  6. Step 6: Final answer
    x = 638,614.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.