Home / 1,260,068.04-1,890,108.90-313,438.77

Finding the Fourth Proportional to 1,260,068.04, 1,890,108.90 and 313,438.77

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Solution

The fourth proportional to 1,260,068.04, 1,890,108.90 and 313,438.77 is: 470,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,068.04 : 1,890,108.90 = 313,438.77 : x
  2. Step 2: Convert to fraction form
    1,260,068.04/1,890,108.90 = 313,438.77/x
  3. Step 3: Cross multiply
    1,260,068.04x = 1,890,108.90 × 313,438.77
  4. Step 4: Simplify right side
    1,260,068.04x = 592,433,408,782.05
  5. Step 5: Solve for x
    x = 592,433,408,782.05/1,260,068.04
  6. Step 6: Final answer
    x = 470,159.86

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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.