Home / 877,463.82-1,210,922.19-538,119.18

Finding the Fourth Proportional to 877,463.82, 1,210,922.19 and 538,119.18

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Solution

The fourth proportional to 877,463.82, 1,210,922.19 and 538,119.18 is: 742,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,463.82 : 1,210,922.19 = 538,119.18 : x
  2. Step 2: Convert to fraction form
    877,463.82/1,210,922.19 = 538,119.18/x
  3. Step 3: Cross multiply
    877,463.82x = 1,210,922.19 × 538,119.18
  4. Step 4: Simplify right side
    877,463.82x = 651,620,455,926.60
  5. Step 5: Solve for x
    x = 651,620,455,926.60/877,463.82
  6. Step 6: Final answer
    x = 742,618.03

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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.