Home / 935,077.77-1,290,413.23-505,356.89

Finding the Fourth Proportional to 935,077.77, 1,290,413.23 and 505,356.89

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Solution

The fourth proportional to 935,077.77, 1,290,413.23 and 505,356.89 is: 697,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,077.77 : 1,290,413.23 = 505,356.89 : x
  2. Step 2: Convert to fraction form
    935,077.77/1,290,413.23 = 505,356.89/x
  3. Step 3: Cross multiply
    935,077.77x = 1,290,413.23 × 505,356.89
  4. Step 4: Simplify right side
    935,077.77x = 652,119,209,012.20
  5. Step 5: Solve for x
    x = 652,119,209,012.20/935,077.77
  6. Step 6: Final answer
    x = 697,395.69

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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.