Home / 814,805.69-1,124,638.54-556,787.07

Finding the Fourth Proportional to 814,805.69, 1,124,638.54 and 556,787.07

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Solution

The fourth proportional to 814,805.69, 1,124,638.54 and 556,787.07 is: 768,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,805.69 : 1,124,638.54 = 556,787.07 : x
  2. Step 2: Convert to fraction form
    814,805.69/1,124,638.54 = 556,787.07/x
  3. Step 3: Cross multiply
    814,805.69x = 1,124,638.54 × 556,787.07
  4. Step 4: Simplify right side
    814,805.69x = 626,184,202,398.68
  5. Step 5: Solve for x
    x = 626,184,202,398.68/814,805.69
  6. Step 6: Final answer
    x = 768,507.40

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Double scale
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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.