Home / 953,563.42-1,430,187.90-313,875.48

Finding the Fourth Proportional to 953,563.42, 1,430,187.90 and 313,875.48

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Solution

The fourth proportional to 953,563.42, 1,430,187.90 and 313,875.48 is: 470,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,563.42 : 1,430,187.90 = 313,875.48 : x
  2. Step 2: Convert to fraction form
    953,563.42/1,430,187.90 = 313,875.48/x
  3. Step 3: Cross multiply
    953,563.42x = 1,430,187.90 × 313,875.48
  4. Step 4: Simplify right side
    953,563.42x = 448,900,913,602.69
  5. Step 5: Solve for x
    x = 448,900,913,602.69/953,563.42
  6. Step 6: Final answer
    x = 470,761.47

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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.