Home / 922,266.06-1,272,729.40-514,394.30

Finding the Fourth Proportional to 922,266.06, 1,272,729.40 and 514,394.30

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Solution

The fourth proportional to 922,266.06, 1,272,729.40 and 514,394.30 is: 709,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,266.06 : 1,272,729.40 = 514,394.30 : x
  2. Step 2: Convert to fraction form
    922,266.06/1,272,729.40 = 514,394.30/x
  3. Step 3: Cross multiply
    922,266.06x = 1,272,729.40 × 514,394.30
  4. Step 4: Simplify right side
    922,266.06x = 654,684,748,802.42
  5. Step 5: Solve for x
    x = 654,684,748,802.42/922,266.06
  6. Step 6: Final answer
    x = 709,865.38

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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.