Home / 858,110.95-1,184,114.83-509,191.23

Finding the Fourth Proportional to 858,110.95, 1,184,114.83 and 509,191.23

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Solution

The fourth proportional to 858,110.95, 1,184,114.83 and 509,191.23 is: 702,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,110.95 : 1,184,114.83 = 509,191.23 : x
  2. Step 2: Convert to fraction form
    858,110.95/1,184,114.83 = 509,191.23/x
  3. Step 3: Cross multiply
    858,110.95x = 1,184,114.83 × 509,191.23
  4. Step 4: Simplify right side
    858,110.95x = 602,940,889,916.39
  5. Step 5: Solve for x
    x = 602,940,889,916.39/858,110.95
  6. Step 6: Final answer
    x = 702,637.45

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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.