Home / 790,897.18-1,186,345.44-317,582.38

Finding the Fourth Proportional to 790,897.18, 1,186,345.44 and 317,582.38

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Solution

The fourth proportional to 790,897.18, 1,186,345.44 and 317,582.38 is: 476,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,897.18 : 1,186,345.44 = 317,582.38 : x
  2. Step 2: Convert to fraction form
    790,897.18/1,186,345.44 = 317,582.38/x
  3. Step 3: Cross multiply
    790,897.18x = 1,186,345.44 × 317,582.38
  4. Step 4: Simplify right side
    790,897.18x = 376,762,408,337.35
  5. Step 5: Solve for x
    x = 376,762,408,337.35/790,897.18
  6. Step 6: Final answer
    x = 476,373.44

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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.