Home / 922,931.10-1,273,642.50-515,028.60

Finding the Fourth Proportional to 922,931.10, 1,273,642.50 and 515,028.60

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Solution

The fourth proportional to 922,931.10, 1,273,642.50 and 515,028.60 is: 710,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,931.10 : 1,273,642.50 = 515,028.60 : x
  2. Step 2: Convert to fraction form
    922,931.10/1,273,642.50 = 515,028.60/x
  3. Step 3: Cross multiply
    922,931.10x = 1,273,642.50 × 515,028.60
  4. Step 4: Simplify right side
    922,931.10x = 655,962,313,675.50
  5. Step 5: Solve for x
    x = 655,962,313,675.50/922,931.10
  6. Step 6: Final answer
    x = 710,738.12

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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.