Home / 1,114,725.76-1,538,304.96-624,688

Finding the Fourth Proportional to 1,114,725.76, 1,538,304.96 and 624,688

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Solution

The fourth proportional to 1,114,725.76, 1,538,304.96 and 624,688 is: 862,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,725.76 : 1,538,304.96 = 624,688 : x
  2. Step 2: Convert to fraction form
    1,114,725.76/1,538,304.96 = 624,688/x
  3. Step 3: Cross multiply
    1,114,725.76x = 1,538,304.96 × 624,688
  4. Step 4: Simplify right side
    1,114,725.76x = 960,960,648,852.48
  5. Step 5: Solve for x
    x = 960,960,648,852.48/1,114,725.76
  6. Step 6: Final answer
    x = 862,060.14

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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.