Home / 563,835.69-778,238.96-348,848.73

Finding the Fourth Proportional to 563,835.69, 778,238.96 and 348,848.73

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Solution

The fourth proportional to 563,835.69, 778,238.96 and 348,848.73 is: 481,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,835.69 : 778,238.96 = 348,848.73 : x
  2. Step 2: Convert to fraction form
    563,835.69/778,238.96 = 348,848.73/x
  3. Step 3: Cross multiply
    563,835.69x = 778,238.96 × 348,848.73
  4. Step 4: Simplify right side
    563,835.69x = 271,487,671,088.28
  5. Step 5: Solve for x
    x = 271,487,671,088.28/563,835.69
  6. Step 6: Final answer
    x = 481,501.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.