Home / 943,688.40-1,302,243.51-535,736.71

Finding the Fourth Proportional to 943,688.40, 1,302,243.51 and 535,736.71

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Solution

The fourth proportional to 943,688.40, 1,302,243.51 and 535,736.71 is: 739,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,688.40 : 1,302,243.51 = 535,736.71 : x
  2. Step 2: Convert to fraction form
    943,688.40/1,302,243.51 = 535,736.71/x
  3. Step 3: Cross multiply
    943,688.40x = 1,302,243.51 × 535,736.71
  4. Step 4: Simplify right side
    943,688.40x = 697,659,653,666.25
  5. Step 5: Solve for x
    x = 697,659,653,666.25/943,688.40
  6. Step 6: Final answer
    x = 739,290.27

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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.