Home / 678,552.10-935,610.78-506,170.82

Finding the Fourth Proportional to 678,552.10, 935,610.78 and 506,170.82

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Solution

The fourth proportional to 678,552.10, 935,610.78 and 506,170.82 is: 697,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,552.10 : 935,610.78 = 506,170.82 : x
  2. Step 2: Convert to fraction form
    678,552.10/935,610.78 = 506,170.82/x
  3. Step 3: Cross multiply
    678,552.10x = 935,610.78 × 506,170.82
  4. Step 4: Simplify right side
    678,552.10x = 473,578,875,713.44
  5. Step 5: Solve for x
    x = 473,578,875,713.44/678,552.10
  6. Step 6: Final answer
    x = 697,925.59

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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.