Home / 1,453,779.80-2,180,669.17-388,794.17

Finding the Fourth Proportional to 1,453,779.80, 2,180,669.17 and 388,794.17

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Solution

The fourth proportional to 1,453,779.80, 2,180,669.17 and 388,794.17 is: 583,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,779.80 : 2,180,669.17 = 388,794.17 : x
  2. Step 2: Convert to fraction form
    1,453,779.80/2,180,669.17 = 388,794.17/x
  3. Step 3: Cross multiply
    1,453,779.80x = 2,180,669.17 × 388,794.17
  4. Step 4: Simplify right side
    1,453,779.80x = 847,831,459,994.74
  5. Step 5: Solve for x
    x = 847,831,459,994.74/1,453,779.80
  6. Step 6: Final answer
    x = 583,191.11

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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.