Home / 1,772,036.70-2,657,926.53-692,346.21

Finding the Fourth Proportional to 1,772,036.70, 2,657,926.53 and 692,346.21

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Solution

The fourth proportional to 1,772,036.70, 2,657,926.53 and 692,346.21 is: 1,038,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,036.70 : 2,657,926.53 = 692,346.21 : x
  2. Step 2: Convert to fraction form
    1,772,036.70/2,657,926.53 = 692,346.21/x
  3. Step 3: Cross multiply
    1,772,036.70x = 2,657,926.53 × 692,346.21
  4. Step 4: Simplify right side
    1,772,036.70x = 1,840,205,359,503.95
  5. Step 5: Solve for x
    x = 1,840,205,359,503.95/1,772,036.70
  6. Step 6: Final answer
    x = 1,038,469.10

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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.