Home / 1,256,731.71-1,734,237.95-683,774.16

Finding the Fourth Proportional to 1,256,731.71, 1,734,237.95 and 683,774.16

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Solution

The fourth proportional to 1,256,731.71, 1,734,237.95 and 683,774.16 is: 943,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,731.71 : 1,734,237.95 = 683,774.16 : x
  2. Step 2: Convert to fraction form
    1,256,731.71/1,734,237.95 = 683,774.16/x
  3. Step 3: Cross multiply
    1,256,731.71x = 1,734,237.95 × 683,774.16
  4. Step 4: Simplify right side
    1,256,731.71x = 1,185,827,094,082.50
  5. Step 5: Solve for x
    x = 1,185,827,094,082.50/1,256,731.71
  6. Step 6: Final answer
    x = 943,580.15

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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.