Home / 916,984.23-1,375,033.93-384,362.25

Finding the Fourth Proportional to 916,984.23, 1,375,033.93 and 384,362.25

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Solution

The fourth proportional to 916,984.23, 1,375,033.93 and 384,362.25 is: 576,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,984.23 : 1,375,033.93 = 384,362.25 : x
  2. Step 2: Convert to fraction form
    916,984.23/1,375,033.93 = 384,362.25/x
  3. Step 3: Cross multiply
    916,984.23x = 1,375,033.93 × 384,362.25
  4. Step 4: Simplify right side
    916,984.23x = 528,511,129,043.86
  5. Step 5: Solve for x
    x = 528,511,129,043.86/916,984.23
  6. Step 6: Final answer
    x = 576,357.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.