Home / 688,904.19-950,703.60-382,968.81

Finding the Fourth Proportional to 688,904.19, 950,703.60 and 382,968.81

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Solution

The fourth proportional to 688,904.19, 950,703.60 and 382,968.81 is: 528,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,904.19 : 950,703.60 = 382,968.81 : x
  2. Step 2: Convert to fraction form
    688,904.19/950,703.60 = 382,968.81/x
  3. Step 3: Cross multiply
    688,904.19x = 950,703.60 × 382,968.81
  4. Step 4: Simplify right side
    688,904.19x = 364,089,826,354.72
  5. Step 5: Solve for x
    x = 364,089,826,354.72/688,904.19
  6. Step 6: Final answer
    x = 528,505.75

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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.