Home / 1,265,712.86-1,746,688.34-684,935.94

Finding the Fourth Proportional to 1,265,712.86, 1,746,688.34 and 684,935.94

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Solution

The fourth proportional to 1,265,712.86, 1,746,688.34 and 684,935.94 is: 945,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,712.86 : 1,746,688.34 = 684,935.94 : x
  2. Step 2: Convert to fraction form
    1,265,712.86/1,746,688.34 = 684,935.94/x
  3. Step 3: Cross multiply
    1,265,712.86x = 1,746,688.34 × 684,935.94
  4. Step 4: Simplify right side
    1,265,712.86x = 1,196,369,620,044.94
  5. Step 5: Solve for x
    x = 1,196,369,620,044.94/1,265,712.86
  6. Step 6: Final answer
    x = 945,214.08

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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.