Home / 935,077.64-1,290,413.04-505,356.76

Finding the Fourth Proportional to 935,077.64, 1,290,413.04 and 505,356.76

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Solution

The fourth proportional to 935,077.64, 1,290,413.04 and 505,356.76 is: 697,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,077.64 : 1,290,413.04 = 505,356.76 : x
  2. Step 2: Convert to fraction form
    935,077.64/1,290,413.04 = 505,356.76/x
  3. Step 3: Cross multiply
    935,077.64x = 1,290,413.04 × 505,356.76
  4. Step 4: Simplify right side
    935,077.64x = 652,118,952,956.15
  5. Step 5: Solve for x
    x = 652,118,952,956.15/935,077.64
  6. Step 6: Final answer
    x = 697,395.52

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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.