Home / 1,756,886.40-2,635,329.60-812,102.40

Finding the Fourth Proportional to 1,756,886.40, 2,635,329.60 and 812,102.40

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Solution

The fourth proportional to 1,756,886.40, 2,635,329.60 and 812,102.40 is: 1,218,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,886.40 : 2,635,329.60 = 812,102.40 : x
  2. Step 2: Convert to fraction form
    1,756,886.40/2,635,329.60 = 812,102.40/x
  3. Step 3: Cross multiply
    1,756,886.40x = 2,635,329.60 × 812,102.40
  4. Step 4: Simplify right side
    1,756,886.40x = 2,140,157,492,951.04
  5. Step 5: Solve for x
    x = 2,140,157,492,951.04/1,756,886.40
  6. Step 6: Final answer
    x = 1,218,153.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.