Home / 1,308,931.38-1,963,440-362,222.82

Finding the Fourth Proportional to 1,308,931.38, 1,963,440 and 362,222.82

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Solution

The fourth proportional to 1,308,931.38, 1,963,440 and 362,222.82 is: 543,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,931.38 : 1,963,440 = 362,222.82 : x
  2. Step 2: Convert to fraction form
    1,308,931.38/1,963,440 = 362,222.82/x
  3. Step 3: Cross multiply
    1,308,931.38x = 1,963,440 × 362,222.82
  4. Step 4: Simplify right side
    1,308,931.38x = 711,202,773,700.80
  5. Step 5: Solve for x
    x = 711,202,773,700.80/1,308,931.38
  6. Step 6: Final answer
    x = 543,346.11

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1.5x scale

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.