Home / 1,066,095.78-1,599,420.63-318,141.78

Finding the Fourth Proportional to 1,066,095.78, 1,599,420.63 and 318,141.78

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Solution

The fourth proportional to 1,066,095.78, 1,599,420.63 and 318,141.78 is: 477,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,095.78 : 1,599,420.63 = 318,141.78 : x
  2. Step 2: Convert to fraction form
    1,066,095.78/1,599,420.63 = 318,141.78/x
  3. Step 3: Cross multiply
    1,066,095.78x = 1,599,420.63 × 318,141.78
  4. Step 4: Simplify right side
    1,066,095.78x = 508,842,526,196.92
  5. Step 5: Solve for x
    x = 508,842,526,196.92/1,066,095.78
  6. Step 6: Final answer
    x = 477,295.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.