Home / 497,272.36-742,363.57-479,776.36

Finding the Fourth Proportional to 497,272.36, 742,363.57 and 479,776.36

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Solution

The fourth proportional to 497,272.36, 742,363.57 and 479,776.36 is: 716,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,272.36 : 742,363.57 = 479,776.36 : x
  2. Step 2: Convert to fraction form
    497,272.36/742,363.57 = 479,776.36/x
  3. Step 3: Cross multiply
    497,272.36x = 742,363.57 × 479,776.36
  4. Step 4: Simplify right side
    497,272.36x = 356,168,491,411.21
  5. Step 5: Solve for x
    x = 356,168,491,411.21/497,272.36
  6. Step 6: Final answer
    x = 716,244.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.