Home / 879,623.15-1,213,254-807,259.77

Finding the Fourth Proportional to 879,623.15, 1,213,254 and 807,259.77

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Solution

The fourth proportional to 879,623.15, 1,213,254 and 807,259.77 is: 1,113,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,623.15 : 1,213,254 = 807,259.77 : x
  2. Step 2: Convert to fraction form
    879,623.15/1,213,254 = 807,259.77/x
  3. Step 3: Cross multiply
    879,623.15x = 1,213,254 × 807,259.77
  4. Step 4: Simplify right side
    879,623.15x = 979,411,144,991.58
  5. Step 5: Solve for x
    x = 979,411,144,991.58/879,623.15
  6. Step 6: Final answer
    x = 1,113,444.04

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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.