Home / 781,119.29-1,077,893.75-436,895.58

Finding the Fourth Proportional to 781,119.29, 1,077,893.75 and 436,895.58

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Solution

The fourth proportional to 781,119.29, 1,077,893.75 and 436,895.58 is: 602,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,119.29 : 1,077,893.75 = 436,895.58 : x
  2. Step 2: Convert to fraction form
    781,119.29/1,077,893.75 = 436,895.58/x
  3. Step 3: Cross multiply
    781,119.29x = 1,077,893.75 × 436,895.58
  4. Step 4: Simplify right side
    781,119.29x = 470,927,012,900.15
  5. Step 5: Solve for x
    x = 470,927,012,900.15/781,119.29
  6. Step 6: Final answer
    x = 602,887.45

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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.