Home / 772,439.41-1,066,242.25-527,248.67

Finding the Fourth Proportional to 772,439.41, 1,066,242.25 and 527,248.67

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Solution

The fourth proportional to 772,439.41, 1,066,242.25 and 527,248.67 is: 727,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,439.41 : 1,066,242.25 = 527,248.67 : x
  2. Step 2: Convert to fraction form
    772,439.41/1,066,242.25 = 527,248.67/x
  3. Step 3: Cross multiply
    772,439.41x = 1,066,242.25 × 527,248.67
  4. Step 4: Simplify right side
    772,439.41x = 562,174,802,879.10
  5. Step 5: Solve for x
    x = 562,174,802,879.10/772,439.41
  6. Step 6: Final answer
    x = 727,791.46

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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.