Home / 763,702.02-1,053,909.49-419,560.25

Finding the Fourth Proportional to 763,702.02, 1,053,909.49 and 419,560.25

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Solution

The fourth proportional to 763,702.02, 1,053,909.49 and 419,560.25 is: 578,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,702.02 : 1,053,909.49 = 419,560.25 : x
  2. Step 2: Convert to fraction form
    763,702.02/1,053,909.49 = 419,560.25/x
  3. Step 3: Cross multiply
    763,702.02x = 1,053,909.49 × 419,560.25
  4. Step 4: Simplify right side
    763,702.02x = 442,178,529,101.77
  5. Step 5: Solve for x
    x = 442,178,529,101.77/763,702.02
  6. Step 6: Final answer
    x = 578,993.53

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Double scale
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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.