Home / 1,103,653.35-1,523,051.64-668,080.71

Finding the Fourth Proportional to 1,103,653.35, 1,523,051.64 and 668,080.71

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Solution

The fourth proportional to 1,103,653.35, 1,523,051.64 and 668,080.71 is: 921,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,653.35 : 1,523,051.64 = 668,080.71 : x
  2. Step 2: Convert to fraction form
    1,103,653.35/1,523,051.64 = 668,080.71/x
  3. Step 3: Cross multiply
    1,103,653.35x = 1,523,051.64 × 668,080.71
  4. Step 4: Simplify right side
    1,103,653.35x = 1,017,521,421,017.86
  5. Step 5: Solve for x
    x = 1,017,521,421,017.86/1,103,653.35
  6. Step 6: Final answer
    x = 921,957.44

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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.