Home / 556,948.56-769,215.92-376,406.25

Finding the Fourth Proportional to 556,948.56, 769,215.92 and 376,406.25

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Solution

The fourth proportional to 556,948.56, 769,215.92 and 376,406.25 is: 519,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,948.56 : 769,215.92 = 376,406.25 : x
  2. Step 2: Convert to fraction form
    556,948.56/769,215.92 = 376,406.25/x
  3. Step 3: Cross multiply
    556,948.56x = 769,215.92 × 376,406.25
  4. Step 4: Simplify right side
    556,948.56x = 289,537,679,887.50
  5. Step 5: Solve for x
    x = 289,537,679,887.50/556,948.56
  6. Step 6: Final answer
    x = 519,864.31

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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.