Home / 1,772,037.70-2,657,928.03-692,347.21

Finding the Fourth Proportional to 1,772,037.70, 2,657,928.03 and 692,347.21

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Solution

The fourth proportional to 1,772,037.70, 2,657,928.03 and 692,347.21 is: 1,038,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,037.70 : 2,657,928.03 = 692,347.21 : x
  2. Step 2: Convert to fraction form
    1,772,037.70/2,657,928.03 = 692,347.21/x
  3. Step 3: Cross multiply
    1,772,037.70x = 2,657,928.03 × 692,347.21
  4. Step 4: Simplify right side
    1,772,037.70x = 1,840,209,055,951.30
  5. Step 5: Solve for x
    x = 1,840,209,055,951.30/1,772,037.70
  6. Step 6: Final answer
    x = 1,038,470.60

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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.