Home / 1,179,437.81-1,769,158.53-358,783.70

Finding the Fourth Proportional to 1,179,437.81, 1,769,158.53 and 358,783.70

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Solution

The fourth proportional to 1,179,437.81, 1,769,158.53 and 358,783.70 is: 538,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,437.81 : 1,769,158.53 = 358,783.70 : x
  2. Step 2: Convert to fraction form
    1,179,437.81/1,769,158.53 = 358,783.70/x
  3. Step 3: Cross multiply
    1,179,437.81x = 1,769,158.53 × 358,783.70
  4. Step 4: Simplify right side
    1,179,437.81x = 634,745,234,434.17
  5. Step 5: Solve for x
    x = 634,745,234,434.17/1,179,437.81
  6. Step 6: Final answer
    x = 538,176.10

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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.