Home / 935,870.66-1,291,501.56-506,150.67

Finding the Fourth Proportional to 935,870.66, 1,291,501.56 and 506,150.67

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Solution

The fourth proportional to 935,870.66, 1,291,501.56 and 506,150.67 is: 698,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,870.66 : 1,291,501.56 = 506,150.67 : x
  2. Step 2: Convert to fraction form
    935,870.66/1,291,501.56 = 506,150.67/x
  3. Step 3: Cross multiply
    935,870.66x = 1,291,501.56 × 506,150.67
  4. Step 4: Simplify right side
    935,870.66x = 653,694,386,641.24
  5. Step 5: Solve for x
    x = 653,694,386,641.24/935,870.66
  6. Step 6: Final answer
    x = 698,487.96

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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.