Home / 938,938.32-1,295,616.06-556,890.48

Finding the Fourth Proportional to 938,938.32, 1,295,616.06 and 556,890.48

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Solution

The fourth proportional to 938,938.32, 1,295,616.06 and 556,890.48 is: 768,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,938.32 : 1,295,616.06 = 556,890.48 : x
  2. Step 2: Convert to fraction form
    938,938.32/1,295,616.06 = 556,890.48/x
  3. Step 3: Cross multiply
    938,938.32x = 1,295,616.06 × 556,890.48
  4. Step 4: Simplify right side
    938,938.32x = 721,516,249,549.11
  5. Step 5: Solve for x
    x = 721,516,249,549.11/938,938.32
  6. Step 6: Final answer
    x = 768,438.39

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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.