Home / 507,795.30-700,438.86-326,742.48

Finding the Fourth Proportional to 507,795.30, 700,438.86 and 326,742.48

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Solution

The fourth proportional to 507,795.30, 700,438.86 and 326,742.48 is: 450,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,795.30 : 700,438.86 = 326,742.48 : x
  2. Step 2: Convert to fraction form
    507,795.30/700,438.86 = 326,742.48/x
  3. Step 3: Cross multiply
    507,795.30x = 700,438.86 × 326,742.48
  4. Step 4: Simplify right side
    507,795.30x = 228,863,130,204.77
  5. Step 5: Solve for x
    x = 228,863,130,204.77/507,795.30
  6. Step 6: Final answer
    x = 450,699.58

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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.