Home / 1,256,607.07-1,870,697.23-1,249,133.60

Finding the Fourth Proportional to 1,256,607.07, 1,870,697.23 and 1,249,133.60

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Solution

The fourth proportional to 1,256,607.07, 1,870,697.23 and 1,249,133.60 is: 1,859,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,607.07 : 1,870,697.23 = 1,249,133.60 : x
  2. Step 2: Convert to fraction form
    1,256,607.07/1,870,697.23 = 1,249,133.60/x
  3. Step 3: Cross multiply
    1,256,607.07x = 1,870,697.23 × 1,249,133.60
  4. Step 4: Simplify right side
    1,256,607.07x = 2,336,750,766,973.84
  5. Step 5: Solve for x
    x = 2,336,750,766,973.84/1,256,607.07
  6. Step 6: Final answer
    x = 1,859,571.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.