Home / 943,686.40-1,302,240.75-535,734.71

Finding the Fourth Proportional to 943,686.40, 1,302,240.75 and 535,734.71

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Solution

The fourth proportional to 943,686.40, 1,302,240.75 and 535,734.71 is: 739,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,686.40 : 1,302,240.75 = 535,734.71 : x
  2. Step 2: Convert to fraction form
    943,686.40/1,302,240.75 = 535,734.71/x
  3. Step 3: Cross multiply
    943,686.40x = 1,302,240.75 × 535,734.71
  4. Step 4: Simplify right side
    943,686.40x = 697,655,566,914.63
  5. Step 5: Solve for x
    x = 697,655,566,914.63/943,686.40
  6. Step 6: Final answer
    x = 739,287.51

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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.