Home / 1,312,707.66-1,966,435.02-1,043,290.44

Finding the Fourth Proportional to 1,312,707.66, 1,966,435.02 and 1,043,290.44

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Solution

The fourth proportional to 1,312,707.66, 1,966,435.02 and 1,043,290.44 is: 1,562,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,707.66 : 1,966,435.02 = 1,043,290.44 : x
  2. Step 2: Convert to fraction form
    1,312,707.66/1,966,435.02 = 1,043,290.44/x
  3. Step 3: Cross multiply
    1,312,707.66x = 1,966,435.02 × 1,043,290.44
  4. Step 4: Simplify right side
    1,312,707.66x = 2,051,562,857,247.21
  5. Step 5: Solve for x
    x = 2,051,562,857,247.21/1,312,707.66
  6. Step 6: Final answer
    x = 1,562,848.25

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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.