Home / 539,110.20-808,665.30-456,166.20

Finding the Fourth Proportional to 539,110.20, 808,665.30 and 456,166.20

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Solution

The fourth proportional to 539,110.20, 808,665.30 and 456,166.20 is: 684,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,110.20 : 808,665.30 = 456,166.20 : x
  2. Step 2: Convert to fraction form
    539,110.20/808,665.30 = 456,166.20/x
  3. Step 3: Cross multiply
    539,110.20x = 808,665.30 × 456,166.20
  4. Step 4: Simplify right side
    539,110.20x = 368,885,776,972.86
  5. Step 5: Solve for x
    x = 368,885,776,972.86/539,110.20
  6. Step 6: Final answer
    x = 684,249.30

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Half scale
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Double scale
Find fourth proportional to 539,111.20, 808,666.80 and 456,167.20
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.