Home / 1,133,729.68-1,564,475.08-624,432

Finding the Fourth Proportional to 1,133,729.68, 1,564,475.08 and 624,432

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Solution

The fourth proportional to 1,133,729.68, 1,564,475.08 and 624,432 is: 861,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,729.68 : 1,564,475.08 = 624,432 : x
  2. Step 2: Convert to fraction form
    1,133,729.68/1,564,475.08 = 624,432/x
  3. Step 3: Cross multiply
    1,133,729.68x = 1,564,475.08 × 624,432
  4. Step 4: Simplify right side
    1,133,729.68x = 976,908,303,154.56
  5. Step 5: Solve for x
    x = 976,908,303,154.56/1,133,729.68
  6. Step 6: Final answer
    x = 861,676.57

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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.