Home / 1,047,270.19-1,573,270.05-621,085.57

Finding the Fourth Proportional to 1,047,270.19, 1,573,270.05 and 621,085.57

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Solution

The fourth proportional to 1,047,270.19, 1,573,270.05 and 621,085.57 is: 933,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,270.19 : 1,573,270.05 = 621,085.57 : x
  2. Step 2: Convert to fraction form
    1,047,270.19/1,573,270.05 = 621,085.57/x
  3. Step 3: Cross multiply
    1,047,270.19x = 1,573,270.05 × 621,085.57
  4. Step 4: Simplify right side
    1,047,270.19x = 977,135,325,768.18
  5. Step 5: Solve for x
    x = 977,135,325,768.18/1,047,270.19
  6. Step 6: Final answer
    x = 933,030.78

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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.