Home / 865,619.04-1,194,616.08-478,426.17

Finding the Fourth Proportional to 865,619.04, 1,194,616.08 and 478,426.17

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Solution

The fourth proportional to 865,619.04, 1,194,616.08 and 478,426.17 is: 660,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,619.04 : 1,194,616.08 = 478,426.17 : x
  2. Step 2: Convert to fraction form
    865,619.04/1,194,616.08 = 478,426.17/x
  3. Step 3: Cross multiply
    865,619.04x = 1,194,616.08 × 478,426.17
  4. Step 4: Simplify right side
    865,619.04x = 571,535,595,774.81
  5. Step 5: Solve for x
    x = 571,535,595,774.81/865,619.04
  6. Step 6: Final answer
    x = 660,262.27

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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.