Home / 705,409.77-973,472.61-383,126.16

Finding the Fourth Proportional to 705,409.77, 973,472.61 and 383,126.16

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Solution

The fourth proportional to 705,409.77, 973,472.61 and 383,126.16 is: 528,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,409.77 : 973,472.61 = 383,126.16 : x
  2. Step 2: Convert to fraction form
    705,409.77/973,472.61 = 383,126.16/x
  3. Step 3: Cross multiply
    705,409.77x = 973,472.61 × 383,126.16
  4. Step 4: Simplify right side
    705,409.77x = 372,962,822,934.48
  5. Step 5: Solve for x
    x = 372,962,822,934.48/705,409.77
  6. Step 6: Final answer
    x = 528,717.97

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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.