Home / 1,685,476.84-2,325,967.86-921,530.40

Finding the Fourth Proportional to 1,685,476.84, 2,325,967.86 and 921,530.40

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Solution

The fourth proportional to 1,685,476.84, 2,325,967.86 and 921,530.40 is: 1,271,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,476.84 : 2,325,967.86 = 921,530.40 : x
  2. Step 2: Convert to fraction form
    1,685,476.84/2,325,967.86 = 921,530.40/x
  3. Step 3: Cross multiply
    1,685,476.84x = 2,325,967.86 × 921,530.40
  4. Step 4: Simplify right side
    1,685,476.84x = 2,143,450,092,412.94
  5. Step 5: Solve for x
    x = 2,143,450,092,412.94/1,685,476.84
  6. Step 6: Final answer
    x = 1,271,717.32

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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.