Home / 849,840.61-1,172,864.76-634,607.01

Finding the Fourth Proportional to 849,840.61, 1,172,864.76 and 634,607.01

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Solution

The fourth proportional to 849,840.61, 1,172,864.76 and 634,607.01 is: 875,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,840.61 : 1,172,864.76 = 634,607.01 : x
  2. Step 2: Convert to fraction form
    849,840.61/1,172,864.76 = 634,607.01/x
  3. Step 3: Cross multiply
    849,840.61x = 1,172,864.76 × 634,607.01
  4. Step 4: Simplify right side
    849,840.61x = 744,308,198,477.97
  5. Step 5: Solve for x
    x = 744,308,198,477.97/849,840.61
  6. Step 6: Final answer
    x = 875,820.94

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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.