Home / 1,219,326.07-1,678,831.01-1,035,200.45

Finding the Fourth Proportional to 1,219,326.07, 1,678,831.01 and 1,035,200.45

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Solution

The fourth proportional to 1,219,326.07, 1,678,831.01 and 1,035,200.45 is: 1,425,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,326.07 : 1,678,831.01 = 1,035,200.45 : x
  2. Step 2: Convert to fraction form
    1,219,326.07/1,678,831.01 = 1,035,200.45/x
  3. Step 3: Cross multiply
    1,219,326.07x = 1,678,831.01 × 1,035,200.45
  4. Step 4: Simplify right side
    1,219,326.07x = 1,737,926,617,025.95
  5. Step 5: Solve for x
    x = 1,737,926,617,025.95/1,219,326.07
  6. Step 6: Final answer
    x = 1,425,317.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.