Home / 1,572,653.40-2,355,480.90-1,292,717.40

Finding the Fourth Proportional to 1,572,653.40, 2,355,480.90 and 1,292,717.40

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Solution

The fourth proportional to 1,572,653.40, 2,355,480.90 and 1,292,717.40 is: 1,936,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,653.40 : 2,355,480.90 = 1,292,717.40 : x
  2. Step 2: Convert to fraction form
    1,572,653.40/2,355,480.90 = 1,292,717.40/x
  3. Step 3: Cross multiply
    1,572,653.40x = 2,355,480.90 × 1,292,717.40
  4. Step 4: Simplify right side
    1,572,653.40x = 3,044,971,144,797.66
  5. Step 5: Solve for x
    x = 3,044,971,144,797.66/1,572,653.40
  6. Step 6: Final answer
    x = 1,936,199.77

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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.