Home / 857,930.94-1,184,000.79-495,370.08

Finding the Fourth Proportional to 857,930.94, 1,184,000.79 and 495,370.08

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Solution

The fourth proportional to 857,930.94, 1,184,000.79 and 495,370.08 is: 683,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,930.94 : 1,184,000.79 = 495,370.08 : x
  2. Step 2: Convert to fraction form
    857,930.94/1,184,000.79 = 495,370.08/x
  3. Step 3: Cross multiply
    857,930.94x = 1,184,000.79 × 495,370.08
  4. Step 4: Simplify right side
    857,930.94x = 586,518,567,920.00
  5. Step 5: Solve for x
    x = 586,518,567,920.00/857,930.94
  6. Step 6: Final answer
    x = 683,643.10

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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.