Home / 1,603,828.40-2,406,390.60-705,441.20

Finding the Fourth Proportional to 1,603,828.40, 2,406,390.60 and 705,441.20

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Solution

The fourth proportional to 1,603,828.40, 2,406,390.60 and 705,441.20 is: 1,058,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,828.40 : 2,406,390.60 = 705,441.20 : x
  2. Step 2: Convert to fraction form
    1,603,828.40/2,406,390.60 = 705,441.20/x
  3. Step 3: Cross multiply
    1,603,828.40x = 2,406,390.60 × 705,441.20
  4. Step 4: Simplify right side
    1,603,828.40x = 1,697,567,072,532.72
  5. Step 5: Solve for x
    x = 1,697,567,072,532.72/1,603,828.40
  6. Step 6: Final answer
    x = 1,058,446.82

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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.