Home / 931,266.40-1,398,973.20-893,480.80

Finding the Fourth Proportional to 931,266.40, 1,398,973.20 and 893,480.80

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Solution

The fourth proportional to 931,266.40, 1,398,973.20 and 893,480.80 is: 1,342,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,266.40 : 1,398,973.20 = 893,480.80 : x
  2. Step 2: Convert to fraction form
    931,266.40/1,398,973.20 = 893,480.80/x
  3. Step 3: Cross multiply
    931,266.40x = 1,398,973.20 × 893,480.80
  4. Step 4: Simplify right side
    931,266.40x = 1,249,955,693,914.56
  5. Step 5: Solve for x
    x = 1,249,955,693,914.56/931,266.40
  6. Step 6: Final answer
    x = 1,342,210.66

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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.