Home / 916,774.50-1,265,228.86-534,924.30

Finding the Fourth Proportional to 916,774.50, 1,265,228.86 and 534,924.30

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Solution

The fourth proportional to 916,774.50, 1,265,228.86 and 534,924.30 is: 738,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,774.50 : 1,265,228.86 = 534,924.30 : x
  2. Step 2: Convert to fraction form
    916,774.50/1,265,228.86 = 534,924.30/x
  3. Step 3: Cross multiply
    916,774.50x = 1,265,228.86 × 534,924.30
  4. Step 4: Simplify right side
    916,774.50x = 676,801,666,685.58
  5. Step 5: Solve for x
    x = 676,801,666,685.58/916,774.50
  6. Step 6: Final answer
    x = 738,242.24

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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.