Home / 953,386.56-1,430,255.52-313,726.08

Finding the Fourth Proportional to 953,386.56, 1,430,255.52 and 313,726.08

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Solution

The fourth proportional to 953,386.56, 1,430,255.52 and 313,726.08 is: 470,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,386.56 : 1,430,255.52 = 313,726.08 : x
  2. Step 2: Convert to fraction form
    953,386.56/1,430,255.52 = 313,726.08/x
  3. Step 3: Cross multiply
    953,386.56x = 1,430,255.52 × 313,726.08
  4. Step 4: Simplify right side
    953,386.56x = 448,708,457,687.96
  5. Step 5: Solve for x
    x = 448,708,457,687.96/953,386.56
  6. Step 6: Final answer
    x = 470,646.93

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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.