Home / 545,029.08-751,360.64-383,382.45

Finding the Fourth Proportional to 545,029.08, 751,360.64 and 383,382.45

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Solution

The fourth proportional to 545,029.08, 751,360.64 and 383,382.45 is: 528,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,029.08 : 751,360.64 = 383,382.45 : x
  2. Step 2: Convert to fraction form
    545,029.08/751,360.64 = 383,382.45/x
  3. Step 3: Cross multiply
    545,029.08x = 751,360.64 × 383,382.45
  4. Step 4: Simplify right side
    545,029.08x = 288,058,482,996.77
  5. Step 5: Solve for x
    x = 288,058,482,996.77/545,029.08
  6. Step 6: Final answer
    x = 528,519.47

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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.