Home / 1,572,629.40-2,355,444.90-1,292,693.40

Finding the Fourth Proportional to 1,572,629.40, 2,355,444.90 and 1,292,693.40

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Solution

The fourth proportional to 1,572,629.40, 2,355,444.90 and 1,292,693.40 is: 1,936,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,629.40 : 2,355,444.90 = 1,292,693.40 : x
  2. Step 2: Convert to fraction form
    1,572,629.40/2,355,444.90 = 1,292,693.40/x
  3. Step 3: Cross multiply
    1,572,629.40x = 2,355,444.90 × 1,292,693.40
  4. Step 4: Simplify right side
    1,572,629.40x = 3,044,868,076,293.66
  5. Step 5: Solve for x
    x = 3,044,868,076,293.66/1,572,629.40
  6. Step 6: Final answer
    x = 1,936,163.78

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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.