Home / 1,528,768.64-2,293,428.77-629,719.67

Finding the Fourth Proportional to 1,528,768.64, 2,293,428.77 and 629,719.67

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Solution

The fourth proportional to 1,528,768.64, 2,293,428.77 and 629,719.67 is: 944,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,768.64 : 2,293,428.77 = 629,719.67 : x
  2. Step 2: Convert to fraction form
    1,528,768.64/2,293,428.77 = 629,719.67/x
  3. Step 3: Cross multiply
    1,528,768.64x = 2,293,428.77 × 629,719.67
  4. Step 4: Simplify right side
    1,528,768.64x = 1,444,217,208,212.91
  5. Step 5: Solve for x
    x = 1,444,217,208,212.91/1,528,768.64
  6. Step 6: Final answer
    x = 944,693.11

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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.