Home / 1,003,389.04-1,505,313.36-434,865.52

Finding the Fourth Proportional to 1,003,389.04, 1,505,313.36 and 434,865.52

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Solution

The fourth proportional to 1,003,389.04, 1,505,313.36 and 434,865.52 is: 652,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,389.04 : 1,505,313.36 = 434,865.52 : x
  2. Step 2: Convert to fraction form
    1,003,389.04/1,505,313.36 = 434,865.52/x
  3. Step 3: Cross multiply
    1,003,389.04x = 1,505,313.36 × 434,865.52
  4. Step 4: Simplify right side
    1,003,389.04x = 654,608,877,059.35
  5. Step 5: Solve for x
    x = 654,608,877,059.35/1,003,389.04
  6. Step 6: Final answer
    x = 652,397.87

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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.