Home / 1,300,510.53-1,794,663.99-719,698.71

Finding the Fourth Proportional to 1,300,510.53, 1,794,663.99 and 719,698.71

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Solution

The fourth proportional to 1,300,510.53, 1,794,663.99 and 719,698.71 is: 993,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,510.53 : 1,794,663.99 = 719,698.71 : x
  2. Step 2: Convert to fraction form
    1,300,510.53/1,794,663.99 = 719,698.71/x
  3. Step 3: Cross multiply
    1,300,510.53x = 1,794,663.99 × 719,698.71
  4. Step 4: Simplify right side
    1,300,510.53x = 1,291,617,358,486.45
  5. Step 5: Solve for x
    x = 1,291,617,358,486.45/1,300,510.53
  6. Step 6: Final answer
    x = 993,161.78

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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.