Home / 480,260.30-662,897.70-317,036.30

Finding the Fourth Proportional to 480,260.30, 662,897.70 and 317,036.30

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Solution

The fourth proportional to 480,260.30, 662,897.70 and 317,036.30 is: 437,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,260.30 : 662,897.70 = 317,036.30 : x
  2. Step 2: Convert to fraction form
    480,260.30/662,897.70 = 317,036.30/x
  3. Step 3: Cross multiply
    480,260.30x = 662,897.70 × 317,036.30
  4. Step 4: Simplify right side
    480,260.30x = 210,162,634,086.51
  5. Step 5: Solve for x
    x = 210,162,634,086.51/480,260.30
  6. Step 6: Final answer
    x = 437,601.51

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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.