Home / 758,005.70-1,045,928.70-435,653.55

Finding the Fourth Proportional to 758,005.70, 1,045,928.70 and 435,653.55

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Solution

The fourth proportional to 758,005.70, 1,045,928.70 and 435,653.55 is: 601,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,005.70 : 1,045,928.70 = 435,653.55 : x
  2. Step 2: Convert to fraction form
    758,005.70/1,045,928.70 = 435,653.55/x
  3. Step 3: Cross multiply
    758,005.70x = 1,045,928.70 × 435,653.55
  4. Step 4: Simplify right side
    758,005.70x = 455,662,551,201.89
  5. Step 5: Solve for x
    x = 455,662,551,201.89/758,005.70
  6. Step 6: Final answer
    x = 601,133.41

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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.