Home / 926,925.78-1,390,914.66-500,455.92

Finding the Fourth Proportional to 926,925.78, 1,390,914.66 and 500,455.92

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Solution

The fourth proportional to 926,925.78, 1,390,914.66 and 500,455.92 is: 750,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,925.78 : 1,390,914.66 = 500,455.92 : x
  2. Step 2: Convert to fraction form
    926,925.78/1,390,914.66 = 500,455.92/x
  3. Step 3: Cross multiply
    926,925.78x = 1,390,914.66 × 500,455.92
  4. Step 4: Simplify right side
    926,925.78x = 696,091,475,811.79
  5. Step 5: Solve for x
    x = 696,091,475,811.79/926,925.78
  6. Step 6: Final answer
    x = 750,967.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.