Home / 1,227,970.72-1,840,408.98-657,938.08

Finding the Fourth Proportional to 1,227,970.72, 1,840,408.98 and 657,938.08

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Solution

The fourth proportional to 1,227,970.72, 1,840,408.98 and 657,938.08 is: 986,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,970.72 : 1,840,408.98 = 657,938.08 : x
  2. Step 2: Convert to fraction form
    1,227,970.72/1,840,408.98 = 657,938.08/x
  3. Step 3: Cross multiply
    1,227,970.72x = 1,840,408.98 × 657,938.08
  4. Step 4: Simplify right side
    1,227,970.72x = 1,210,875,150,715.96
  5. Step 5: Solve for x
    x = 1,210,875,150,715.96/1,227,970.72
  6. Step 6: Final answer
    x = 986,078.19

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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.