Home / 1,437,172.04-2,155,390.22-426,057.55

Finding the Fourth Proportional to 1,437,172.04, 2,155,390.22 and 426,057.55

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Solution

The fourth proportional to 1,437,172.04, 2,155,390.22 and 426,057.55 is: 638,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,172.04 : 2,155,390.22 = 426,057.55 : x
  2. Step 2: Convert to fraction form
    1,437,172.04/2,155,390.22 = 426,057.55/x
  3. Step 3: Cross multiply
    1,437,172.04x = 2,155,390.22 × 426,057.55
  4. Step 4: Simplify right side
    1,437,172.04x = 918,320,276,427.16
  5. Step 5: Solve for x
    x = 918,320,276,427.16/1,437,172.04
  6. Step 6: Final answer
    x = 638,977.28

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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.