Home / 699,412.01-1,047,729.02-538,931.16

Finding the Fourth Proportional to 699,412.01, 1,047,729.02 and 538,931.16

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Solution

The fourth proportional to 699,412.01, 1,047,729.02 and 538,931.16 is: 807,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,412.01 : 1,047,729.02 = 538,931.16 : x
  2. Step 2: Convert to fraction form
    699,412.01/1,047,729.02 = 538,931.16/x
  3. Step 3: Cross multiply
    699,412.01x = 1,047,729.02 × 538,931.16
  4. Step 4: Simplify right side
    699,412.01x = 564,653,813,419.61
  5. Step 5: Solve for x
    x = 564,653,813,419.61/699,412.01
  6. Step 6: Final answer
    x = 807,326.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.