Home / 967,888.05-1,335,681.13-538,142.55

Finding the Fourth Proportional to 967,888.05, 1,335,681.13 and 538,142.55

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Solution

The fourth proportional to 967,888.05, 1,335,681.13 and 538,142.55 is: 742,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,888.05 : 1,335,681.13 = 538,142.55 : x
  2. Step 2: Convert to fraction form
    967,888.05/1,335,681.13 = 538,142.55/x
  3. Step 3: Cross multiply
    967,888.05x = 1,335,681.13 × 538,142.55
  4. Step 4: Simplify right side
    967,888.05x = 718,786,849,285.08
  5. Step 5: Solve for x
    x = 718,786,849,285.08/967,888.05
  6. Step 6: Final answer
    x = 742,634.28

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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.