Home / 849,840.73-1,172,864.93-634,607.12

Finding the Fourth Proportional to 849,840.73, 1,172,864.93 and 634,607.12

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Solution

The fourth proportional to 849,840.73, 1,172,864.93 and 634,607.12 is: 875,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,840.73 : 1,172,864.93 = 634,607.12 : x
  2. Step 2: Convert to fraction form
    849,840.73/1,172,864.93 = 634,607.12/x
  3. Step 3: Cross multiply
    849,840.73x = 1,172,864.93 × 634,607.12
  4. Step 4: Simplify right side
    849,840.73x = 744,308,435,135.43
  5. Step 5: Solve for x
    x = 744,308,435,135.43/849,840.73
  6. Step 6: Final answer
    x = 875,821.09

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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.