Home / 1,437,177.07-2,156,128.10-477,637.70

Finding the Fourth Proportional to 1,437,177.07, 2,156,128.10 and 477,637.70

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Solution

The fourth proportional to 1,437,177.07, 2,156,128.10 and 477,637.70 is: 716,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,177.07 : 2,156,128.10 = 477,637.70 : x
  2. Step 2: Convert to fraction form
    1,437,177.07/2,156,128.10 = 477,637.70/x
  3. Step 3: Cross multiply
    1,437,177.07x = 2,156,128.10 × 477,637.70
  4. Step 4: Simplify right side
    1,437,177.07x = 1,029,848,066,589.37
  5. Step 5: Solve for x
    x = 1,029,848,066,589.37/1,437,177.07
  6. Step 6: Final answer
    x = 716,577.02

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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.