Home / 916,833.36-1,376,155.12-688,334.24

Finding the Fourth Proportional to 916,833.36, 1,376,155.12 and 688,334.24

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Solution

The fourth proportional to 916,833.36, 1,376,155.12 and 688,334.24 is: 1,033,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,833.36 : 1,376,155.12 = 688,334.24 : x
  2. Step 2: Convert to fraction form
    916,833.36/1,376,155.12 = 688,334.24/x
  3. Step 3: Cross multiply
    916,833.36x = 1,376,155.12 × 688,334.24
  4. Step 4: Simplify right side
    916,833.36x = 947,254,688,647.31
  5. Step 5: Solve for x
    x = 947,254,688,647.31/916,833.36
  6. Step 6: Final answer
    x = 1,033,180.87

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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.