Home / 1,117,838.52-1,677,005.18-407,864.51

Finding the Fourth Proportional to 1,117,838.52, 1,677,005.18 and 407,864.51

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Solution

The fourth proportional to 1,117,838.52, 1,677,005.18 and 407,864.51 is: 611,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,838.52 : 1,677,005.18 = 407,864.51 : x
  2. Step 2: Convert to fraction form
    1,117,838.52/1,677,005.18 = 407,864.51/x
  3. Step 3: Cross multiply
    1,117,838.52x = 1,677,005.18 × 407,864.51
  4. Step 4: Simplify right side
    1,117,838.52x = 683,990,896,008.16
  5. Step 5: Solve for x
    x = 683,990,896,008.16/1,117,838.52
  6. Step 6: Final answer
    x = 611,887.03

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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.