Home / 931,954.40-1,398,968.40-577,368.80

Finding the Fourth Proportional to 931,954.40, 1,398,968.40 and 577,368.80

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Solution

The fourth proportional to 931,954.40, 1,398,968.40 and 577,368.80 is: 866,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,954.40 : 1,398,968.40 = 577,368.80 : x
  2. Step 2: Convert to fraction form
    931,954.40/1,398,968.40 = 577,368.80/x
  3. Step 3: Cross multiply
    931,954.40x = 1,398,968.40 × 577,368.80
  4. Step 4: Simplify right side
    931,954.40x = 807,720,706,345.92
  5. Step 5: Solve for x
    x = 807,720,706,345.92/931,954.40
  6. Step 6: Final answer
    x = 866,695.52

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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.