Home / 935,162.61-1,290,523.83-505,442.74

Finding the Fourth Proportional to 935,162.61, 1,290,523.83 and 505,442.74

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Solution

The fourth proportional to 935,162.61, 1,290,523.83 and 505,442.74 is: 697,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,162.61 : 1,290,523.83 = 505,442.74 : x
  2. Step 2: Convert to fraction form
    935,162.61/1,290,523.83 = 505,442.74/x
  3. Step 3: Cross multiply
    935,162.61x = 1,290,523.83 × 505,442.74
  4. Step 4: Simplify right side
    935,162.61x = 652,285,897,444.19
  5. Step 5: Solve for x
    x = 652,285,897,444.19/935,162.61
  6. Step 6: Final answer
    x = 697,510.67

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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.