Home / 688,045.05-1,032,067.58-546,327.45

Finding the Fourth Proportional to 688,045.05, 1,032,067.58 and 546,327.45

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Solution

The fourth proportional to 688,045.05, 1,032,067.58 and 546,327.45 is: 819,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,045.05 : 1,032,067.58 = 546,327.45 : x
  2. Step 2: Convert to fraction form
    688,045.05/1,032,067.58 = 546,327.45/x
  3. Step 3: Cross multiply
    688,045.05x = 1,032,067.58 × 546,327.45
  4. Step 4: Simplify right side
    688,045.05x = 563,846,846,477.43
  5. Step 5: Solve for x
    x = 563,846,846,477.43/688,045.05
  6. Step 6: Final answer
    x = 819,491.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.