Home / 572,581.40-858,872.10-335,802.20

Finding the Fourth Proportional to 572,581.40, 858,872.10 and 335,802.20

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Solution

The fourth proportional to 572,581.40, 858,872.10 and 335,802.20 is: 503,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,581.40 : 858,872.10 = 335,802.20 : x
  2. Step 2: Convert to fraction form
    572,581.40/858,872.10 = 335,802.20/x
  3. Step 3: Cross multiply
    572,581.40x = 858,872.10 × 335,802.20
  4. Step 4: Simplify right side
    572,581.40x = 288,411,140,698.62
  5. Step 5: Solve for x
    x = 288,411,140,698.62/572,581.40
  6. Step 6: Final answer
    x = 503,703.30

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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.