Home / 1,108,315.44-1,529,444.75-624,876.39

Finding the Fourth Proportional to 1,108,315.44, 1,529,444.75 and 624,876.39

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Solution

The fourth proportional to 1,108,315.44, 1,529,444.75 and 624,876.39 is: 862,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,315.44 : 1,529,444.75 = 624,876.39 : x
  2. Step 2: Convert to fraction form
    1,108,315.44/1,529,444.75 = 624,876.39/x
  3. Step 3: Cross multiply
    1,108,315.44x = 1,529,444.75 × 624,876.39
  4. Step 4: Simplify right side
    1,108,315.44x = 955,713,914,084.45
  5. Step 5: Solve for x
    x = 955,713,914,084.45/1,108,315.44
  6. Step 6: Final answer
    x = 862,312.19

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Double scale
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1.5x scale

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.