Home / 938,410.25-1,405,342.27-649,412.09

Finding the Fourth Proportional to 938,410.25, 1,405,342.27 and 649,412.09

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Solution

The fourth proportional to 938,410.25, 1,405,342.27 and 649,412.09 is: 972,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,410.25 : 1,405,342.27 = 649,412.09 : x
  2. Step 2: Convert to fraction form
    938,410.25/1,405,342.27 = 649,412.09/x
  3. Step 3: Cross multiply
    938,410.25x = 1,405,342.27 × 649,412.09
  4. Step 4: Simplify right side
    938,410.25x = 912,646,252,075.80
  5. Step 5: Solve for x
    x = 912,646,252,075.80/938,410.25
  6. Step 6: Final answer
    x = 972,545.06

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1.5x scale

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.