Home / 1,667,641.50-2,501,435.79-530,387.28

Finding the Fourth Proportional to 1,667,641.50, 2,501,435.79 and 530,387.28

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Solution

The fourth proportional to 1,667,641.50, 2,501,435.79 and 530,387.28 is: 795,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,641.50 : 2,501,435.79 = 530,387.28 : x
  2. Step 2: Convert to fraction form
    1,667,641.50/2,501,435.79 = 530,387.28/x
  3. Step 3: Cross multiply
    1,667,641.50x = 2,501,435.79 × 530,387.28
  4. Step 4: Simplify right side
    1,667,641.50x = 1,326,729,724,752.75
  5. Step 5: Solve for x
    x = 1,326,729,724,752.75/1,667,641.50
  6. Step 6: Final answer
    x = 795,572.50

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Double scale
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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.