Home / 1,424,323.51-2,136,485.19-477,691.50

Finding the Fourth Proportional to 1,424,323.51, 2,136,485.19 and 477,691.50

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Solution

The fourth proportional to 1,424,323.51, 2,136,485.19 and 477,691.50 is: 716,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,323.51 : 2,136,485.19 = 477,691.50 : x
  2. Step 2: Convert to fraction form
    1,424,323.51/2,136,485.19 = 477,691.50/x
  3. Step 3: Cross multiply
    1,424,323.51x = 2,136,485.19 × 477,691.50
  4. Step 4: Simplify right side
    1,424,323.51x = 1,020,580,815,138.89
  5. Step 5: Solve for x
    x = 1,020,580,815,138.89/1,424,323.51
  6. Step 6: Final answer
    x = 716,537.22

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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.