Home / 916,193.02-1,264,498.13-508,425.84

Finding the Fourth Proportional to 916,193.02, 1,264,498.13 and 508,425.84

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Solution

The fourth proportional to 916,193.02, 1,264,498.13 and 508,425.84 is: 701,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,193.02 : 1,264,498.13 = 508,425.84 : x
  2. Step 2: Convert to fraction form
    916,193.02/1,264,498.13 = 508,425.84/x
  3. Step 3: Cross multiply
    916,193.02x = 1,264,498.13 × 508,425.84
  4. Step 4: Simplify right side
    916,193.02x = 642,903,521,381.55
  5. Step 5: Solve for x
    x = 642,903,521,381.55/916,193.02
  6. Step 6: Final answer
    x = 701,711.88

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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.