Home / 1,238,529.60-1,709,188.56-927,881.76

Finding the Fourth Proportional to 1,238,529.60, 1,709,188.56 and 927,881.76

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Solution

The fourth proportional to 1,238,529.60, 1,709,188.56 and 927,881.76 is: 1,280,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,529.60 : 1,709,188.56 = 927,881.76 : x
  2. Step 2: Convert to fraction form
    1,238,529.60/1,709,188.56 = 927,881.76/x
  3. Step 3: Cross multiply
    1,238,529.60x = 1,709,188.56 × 927,881.76
  4. Step 4: Simplify right side
    1,238,529.60x = 1,585,924,889,224.67
  5. Step 5: Solve for x
    x = 1,585,924,889,224.67/1,238,529.60
  6. Step 6: Final answer
    x = 1,280,490.10

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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.