Home / 1,154,423.07-1,593,106.00-645,125.45

Finding the Fourth Proportional to 1,154,423.07, 1,593,106.00 and 645,125.45

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Solution

The fourth proportional to 1,154,423.07, 1,593,106.00 and 645,125.45 is: 890,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,423.07 : 1,593,106.00 = 645,125.45 : x
  2. Step 2: Convert to fraction form
    1,154,423.07/1,593,106.00 = 645,125.45/x
  3. Step 3: Cross multiply
    1,154,423.07x = 1,593,106.00 × 645,125.45
  4. Step 4: Simplify right side
    1,154,423.07x = 1,027,753,215,569.36
  5. Step 5: Solve for x
    x = 1,027,753,215,569.36/1,154,423.07
  6. Step 6: Final answer
    x = 890,274.32

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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.