Home / 921,296.84-1,270,712.90-610,637.60

Finding the Fourth Proportional to 921,296.84, 1,270,712.90 and 610,637.60

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Solution

The fourth proportional to 921,296.84, 1,270,712.90 and 610,637.60 is: 842,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,296.84 : 1,270,712.90 = 610,637.60 : x
  2. Step 2: Convert to fraction form
    921,296.84/1,270,712.90 = 610,637.60/x
  3. Step 3: Cross multiply
    921,296.84x = 1,270,712.90 × 610,637.60
  4. Step 4: Simplify right side
    921,296.84x = 775,945,075,545.04
  5. Step 5: Solve for x
    x = 775,945,075,545.04/921,296.84
  6. Step 6: Final answer
    x = 842,231.34

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1.5x scale

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.