Home / 1,089,210.71-1,503,130.10-605,776.07

Finding the Fourth Proportional to 1,089,210.71, 1,503,130.10 and 605,776.07

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Solution

The fourth proportional to 1,089,210.71, 1,503,130.10 and 605,776.07 is: 835,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,210.71 : 1,503,130.10 = 605,776.07 : x
  2. Step 2: Convert to fraction form
    1,089,210.71/1,503,130.10 = 605,776.07/x
  3. Step 3: Cross multiply
    1,089,210.71x = 1,503,130.10 × 605,776.07
  4. Step 4: Simplify right side
    1,089,210.71x = 910,560,236,950.55
  5. Step 5: Solve for x
    x = 910,560,236,950.55/1,089,210.71
  6. Step 6: Final answer
    x = 835,981.71

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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.