Home / 1,450,317.41-2,001,320.85-838,509.60

Finding the Fourth Proportional to 1,450,317.41, 2,001,320.85 and 838,509.60

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Solution

The fourth proportional to 1,450,317.41, 2,001,320.85 and 838,509.60 is: 1,157,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,317.41 : 2,001,320.85 = 838,509.60 : x
  2. Step 2: Convert to fraction form
    1,450,317.41/2,001,320.85 = 838,509.60/x
  3. Step 3: Cross multiply
    1,450,317.41x = 2,001,320.85 × 838,509.60
  4. Step 4: Simplify right side
    1,450,317.41x = 1,678,126,748,549.57
  5. Step 5: Solve for x
    x = 1,678,126,748,549.57/1,450,317.41
  6. Step 6: Final answer
    x = 1,157,075.51

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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.