Home / 1,190,295.40-1,785,540.22-558,864.76

Finding the Fourth Proportional to 1,190,295.40, 1,785,540.22 and 558,864.76

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Solution

The fourth proportional to 1,190,295.40, 1,785,540.22 and 558,864.76 is: 838,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,295.40 : 1,785,540.22 = 558,864.76 : x
  2. Step 2: Convert to fraction form
    1,190,295.40/1,785,540.22 = 558,864.76/x
  3. Step 3: Cross multiply
    1,190,295.40x = 1,785,540.22 × 558,864.76
  4. Step 4: Simplify right side
    1,190,295.40x = 997,875,506,520.65
  5. Step 5: Solve for x
    x = 997,875,506,520.65/1,190,295.40
  6. Step 6: Final answer
    x = 838,342.74

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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.