Home / 1,362,071.17-2,043,106.80-642,245.32

Finding the Fourth Proportional to 1,362,071.17, 2,043,106.80 and 642,245.32

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Solution

The fourth proportional to 1,362,071.17, 2,043,106.80 and 642,245.32 is: 963,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,071.17 : 2,043,106.80 = 642,245.32 : x
  2. Step 2: Convert to fraction form
    1,362,071.17/2,043,106.80 = 642,245.32/x
  3. Step 3: Cross multiply
    1,362,071.17x = 2,043,106.80 × 642,245.32
  4. Step 4: Simplify right side
    1,362,071.17x = 1,312,175,780,560.18
  5. Step 5: Solve for x
    x = 1,312,175,780,560.18/1,362,071.17
  6. Step 6: Final answer
    x = 963,368.00

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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.