Home / 855,780.39-1,181,056.17-473,807.18

Finding the Fourth Proportional to 855,780.39, 1,181,056.17 and 473,807.18

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Solution

The fourth proportional to 855,780.39, 1,181,056.17 and 473,807.18 is: 653,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,780.39 : 1,181,056.17 = 473,807.18 : x
  2. Step 2: Convert to fraction form
    855,780.39/1,181,056.17 = 473,807.18/x
  3. Step 3: Cross multiply
    855,780.39x = 1,181,056.17 × 473,807.18
  4. Step 4: Simplify right side
    855,780.39x = 559,592,885,054.98
  5. Step 5: Solve for x
    x = 559,592,885,054.98/855,780.39
  6. Step 6: Final answer
    x = 653,897.77

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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.