Home / 1,559,553.40-2,152,159.94-871,235.11

Finding the Fourth Proportional to 1,559,553.40, 2,152,159.94 and 871,235.11

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Solution

The fourth proportional to 1,559,553.40, 2,152,159.94 and 871,235.11 is: 1,202,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,553.40 : 2,152,159.94 = 871,235.11 : x
  2. Step 2: Convert to fraction form
    1,559,553.40/2,152,159.94 = 871,235.11/x
  3. Step 3: Cross multiply
    1,559,553.40x = 2,152,159.94 × 871,235.11
  4. Step 4: Simplify right side
    1,559,553.40x = 1,875,037,302,063.49
  5. Step 5: Solve for x
    x = 1,875,037,302,063.49/1,559,553.40
  6. Step 6: Final answer
    x = 1,202,291.18

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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.