Home / 583,385.48-804,764.58-401,782.76

Finding the Fourth Proportional to 583,385.48, 804,764.58 and 401,782.76

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Solution

The fourth proportional to 583,385.48, 804,764.58 and 401,782.76 is: 554,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,385.48 : 804,764.58 = 401,782.76 : x
  2. Step 2: Convert to fraction form
    583,385.48/804,764.58 = 401,782.76/x
  3. Step 3: Cross multiply
    583,385.48x = 804,764.58 × 401,782.76
  4. Step 4: Simplify right side
    583,385.48x = 323,340,534,102.64
  5. Step 5: Solve for x
    x = 323,340,534,102.64/583,385.48
  6. Step 6: Final answer
    x = 554,248.51

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Half scale
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Double scale
Find fourth proportional to 583,386.48, 804,765.96 and 401,783.76
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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.