Home / 918,826-1,267,980.93-510,919.09

Finding the Fourth Proportional to 918,826, 1,267,980.93 and 510,919.09

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Solution

The fourth proportional to 918,826, 1,267,980.93 and 510,919.09 is: 705,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,826 : 1,267,980.93 = 510,919.09 : x
  2. Step 2: Convert to fraction form
    918,826/1,267,980.93 = 510,919.09/x
  3. Step 3: Cross multiply
    918,826x = 1,267,980.93 × 510,919.09
  4. Step 4: Simplify right side
    918,826x = 647,835,662,892.95
  5. Step 5: Solve for x
    x = 647,835,662,892.95/918,826
  6. Step 6: Final answer
    x = 705,068.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.