Home / 788,488.16-1,088,113.51-425,912.03

Finding the Fourth Proportional to 788,488.16, 1,088,113.51 and 425,912.03

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Solution

The fourth proportional to 788,488.16, 1,088,113.51 and 425,912.03 is: 587,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,488.16 : 1,088,113.51 = 425,912.03 : x
  2. Step 2: Convert to fraction form
    788,488.16/1,088,113.51 = 425,912.03/x
  3. Step 3: Cross multiply
    788,488.16x = 1,088,113.51 × 425,912.03
  4. Step 4: Simplify right side
    788,488.16x = 463,440,635,570.03
  5. Step 5: Solve for x
    x = 463,440,635,570.03/788,488.16
  6. Step 6: Final answer
    x = 587,758.52

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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.