Home / 943,045.70-1,301,437.53-513,305.06

Finding the Fourth Proportional to 943,045.70, 1,301,437.53 and 513,305.06

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Solution

The fourth proportional to 943,045.70, 1,301,437.53 and 513,305.06 is: 708,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,045.70 : 1,301,437.53 = 513,305.06 : x
  2. Step 2: Convert to fraction form
    943,045.70/1,301,437.53 = 513,305.06/x
  3. Step 3: Cross multiply
    943,045.70x = 1,301,437.53 × 513,305.06
  4. Step 4: Simplify right side
    943,045.70x = 668,034,469,422.90
  5. Step 5: Solve for x
    x = 668,034,469,422.90/943,045.70
  6. Step 6: Final answer
    x = 708,379.74

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Double scale
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1.5x scale

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.