Home / 501,631.32-692,271.18-275,284.92

Finding the Fourth Proportional to 501,631.32, 692,271.18 and 275,284.92

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Solution

The fourth proportional to 501,631.32, 692,271.18 and 275,284.92 is: 379,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,631.32 : 692,271.18 = 275,284.92 : x
  2. Step 2: Convert to fraction form
    501,631.32/692,271.18 = 275,284.92/x
  3. Step 3: Cross multiply
    501,631.32x = 692,271.18 × 275,284.92
  4. Step 4: Simplify right side
    501,631.32x = 190,571,816,404.61
  5. Step 5: Solve for x
    x = 190,571,816,404.61/501,631.32
  6. Step 6: Final answer
    x = 379,904.14

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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.