Home / 521,437.38-719,583.58-282,973.38

Finding the Fourth Proportional to 521,437.38, 719,583.58 and 282,973.38

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Solution

The fourth proportional to 521,437.38, 719,583.58 and 282,973.38 is: 390,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,437.38 : 719,583.58 = 282,973.38 : x
  2. Step 2: Convert to fraction form
    521,437.38/719,583.58 = 282,973.38/x
  3. Step 3: Cross multiply
    521,437.38x = 719,583.58 × 282,973.38
  4. Step 4: Simplify right side
    521,437.38x = 203,622,997,825.10
  5. Step 5: Solve for x
    x = 203,622,997,825.10/521,437.38
  6. Step 6: Final answer
    x = 390,503.26

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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.