Home / 1,456,009.70-2,184,014.55-391,159.40

Finding the Fourth Proportional to 1,456,009.70, 2,184,014.55 and 391,159.40

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Solution

The fourth proportional to 1,456,009.70, 2,184,014.55 and 391,159.40 is: 586,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,009.70 : 2,184,014.55 = 391,159.40 : x
  2. Step 2: Convert to fraction form
    1,456,009.70/2,184,014.55 = 391,159.40/x
  3. Step 3: Cross multiply
    1,456,009.70x = 2,184,014.55 × 391,159.40
  4. Step 4: Simplify right side
    1,456,009.70x = 854,297,820,969.27
  5. Step 5: Solve for x
    x = 854,297,820,969.27/1,456,009.70
  6. Step 6: Final answer
    x = 586,739.10

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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.