Home / 1,403,731.76-1,937,155.72-759,151.92

Finding the Fourth Proportional to 1,403,731.76, 1,937,155.72 and 759,151.92

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Solution

The fourth proportional to 1,403,731.76, 1,937,155.72 and 759,151.92 is: 1,047,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,731.76 : 1,937,155.72 = 759,151.92 : x
  2. Step 2: Convert to fraction form
    1,403,731.76/1,937,155.72 = 759,151.92/x
  3. Step 3: Cross multiply
    1,403,731.76x = 1,937,155.72 × 759,151.92
  4. Step 4: Simplify right side
    1,403,731.76x = 1,470,595,484,176.98
  5. Step 5: Solve for x
    x = 1,470,595,484,176.98/1,403,731.76
  6. Step 6: Final answer
    x = 1,047,632.84

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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.