Home / 1,319,300.19-1,820,637.77-715,688.19

Finding the Fourth Proportional to 1,319,300.19, 1,820,637.77 and 715,688.19

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Solution

The fourth proportional to 1,319,300.19, 1,820,637.77 and 715,688.19 is: 987,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,300.19 : 1,820,637.77 = 715,688.19 : x
  2. Step 2: Convert to fraction form
    1,319,300.19/1,820,637.77 = 715,688.19/x
  3. Step 3: Cross multiply
    1,319,300.19x = 1,820,637.77 × 715,688.19
  4. Step 4: Simplify right side
    1,319,300.19x = 1,303,008,950,256.94
  5. Step 5: Solve for x
    x = 1,303,008,950,256.94/1,319,300.19
  6. Step 6: Final answer
    x = 987,651.61

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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.