Home / 1,302,290.40-1,953,509.45-403,859.87

Finding the Fourth Proportional to 1,302,290.40, 1,953,509.45 and 403,859.87

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Solution

The fourth proportional to 1,302,290.40, 1,953,509.45 and 403,859.87 is: 605,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,290.40 : 1,953,509.45 = 403,859.87 : x
  2. Step 2: Convert to fraction form
    1,302,290.40/1,953,509.45 = 403,859.87/x
  3. Step 3: Cross multiply
    1,302,290.40x = 1,953,509.45 × 403,859.87
  4. Step 4: Simplify right side
    1,302,290.40x = 788,944,060,733.93
  5. Step 5: Solve for x
    x = 788,944,060,733.93/1,302,290.40
  6. Step 6: Final answer
    x = 605,812.70

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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.