Home / 519,748.70-779,623.05-283,552.70

Finding the Fourth Proportional to 519,748.70, 779,623.05 and 283,552.70

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Solution

The fourth proportional to 519,748.70, 779,623.05 and 283,552.70 is: 425,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,748.70 : 779,623.05 = 283,552.70 : x
  2. Step 2: Convert to fraction form
    519,748.70/779,623.05 = 283,552.70/x
  3. Step 3: Cross multiply
    519,748.70x = 779,623.05 × 283,552.70
  4. Step 4: Simplify right side
    519,748.70x = 221,064,220,809.74
  5. Step 5: Solve for x
    x = 221,064,220,809.74/519,748.70
  6. Step 6: Final answer
    x = 425,329.05

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Half scale
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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.