Home / 916,483.51-1,373,098.78-382,830.13

Finding the Fourth Proportional to 916,483.51, 1,373,098.78 and 382,830.13

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Solution

The fourth proportional to 916,483.51, 1,373,098.78 and 382,830.13 is: 573,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,483.51 : 1,373,098.78 = 382,830.13 : x
  2. Step 2: Convert to fraction form
    916,483.51/1,373,098.78 = 382,830.13/x
  3. Step 3: Cross multiply
    916,483.51x = 1,373,098.78 × 382,830.13
  4. Step 4: Simplify right side
    916,483.51x = 525,663,584,450.24
  5. Step 5: Solve for x
    x = 525,663,584,450.24/916,483.51
  6. Step 6: Final answer
    x = 573,565.79

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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.