Home / 858,670.77-1,294,178.16-740,158.11

Finding the Fourth Proportional to 858,670.77, 1,294,178.16 and 740,158.11

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Solution

The fourth proportional to 858,670.77, 1,294,178.16 and 740,158.11 is: 1,115,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,670.77 : 1,294,178.16 = 740,158.11 : x
  2. Step 2: Convert to fraction form
    858,670.77/1,294,178.16 = 740,158.11/x
  3. Step 3: Cross multiply
    858,670.77x = 1,294,178.16 × 740,158.11
  4. Step 4: Simplify right side
    858,670.77x = 957,896,460,908.88
  5. Step 5: Solve for x
    x = 957,896,460,908.88/858,670.77
  6. Step 6: Final answer
    x = 1,115,557.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.