Home / 1,133,645.41-1,699,877.61-423,089.11

Finding the Fourth Proportional to 1,133,645.41, 1,699,877.61 and 423,089.11

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Solution

The fourth proportional to 1,133,645.41, 1,699,877.61 and 423,089.11 is: 634,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,645.41 : 1,699,877.61 = 423,089.11 : x
  2. Step 2: Convert to fraction form
    1,133,645.41/1,699,877.61 = 423,089.11/x
  3. Step 3: Cross multiply
    1,133,645.41x = 1,699,877.61 × 423,089.11
  4. Step 4: Simplify right side
    1,133,645.41x = 719,199,700,874.13
  5. Step 5: Solve for x
    x = 719,199,700,874.13/1,133,645.41
  6. Step 6: Final answer
    x = 634,413.28

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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.