Home / 649,741.75-896,283.64-377,779.58

Finding the Fourth Proportional to 649,741.75, 896,283.64 and 377,779.58

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Solution

The fourth proportional to 649,741.75, 896,283.64 and 377,779.58 is: 521,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,741.75 : 896,283.64 = 377,779.58 : x
  2. Step 2: Convert to fraction form
    649,741.75/896,283.64 = 377,779.58/x
  3. Step 3: Cross multiply
    649,741.75x = 896,283.64 × 377,779.58
  4. Step 4: Simplify right side
    649,741.75x = 338,597,657,080.07
  5. Step 5: Solve for x
    x = 338,597,657,080.07/649,741.75
  6. Step 6: Final answer
    x = 521,126.52

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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.