Home / 710,924.32-980,836.03-404,784.18

Finding the Fourth Proportional to 710,924.32, 980,836.03 and 404,784.18

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Solution

The fourth proportional to 710,924.32, 980,836.03 and 404,784.18 is: 558,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,924.32 : 980,836.03 = 404,784.18 : x
  2. Step 2: Convert to fraction form
    710,924.32/980,836.03 = 404,784.18/x
  3. Step 3: Cross multiply
    710,924.32x = 980,836.03 × 404,784.18
  4. Step 4: Simplify right side
    710,924.32x = 397,026,908,623.99
  5. Step 5: Solve for x
    x = 397,026,908,623.99/710,924.32
  6. Step 6: Final answer
    x = 558,465.78

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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.