Home / 877,458.48-1,315,346.96-371,323.28

Finding the Fourth Proportional to 877,458.48, 1,315,346.96 and 371,323.28

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Solution

The fourth proportional to 877,458.48, 1,315,346.96 and 371,323.28 is: 556,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,458.48 : 1,315,346.96 = 371,323.28 : x
  2. Step 2: Convert to fraction form
    877,458.48/1,315,346.96 = 371,323.28/x
  3. Step 3: Cross multiply
    877,458.48x = 1,315,346.96 × 371,323.28
  4. Step 4: Simplify right side
    877,458.48x = 488,418,947,525.23
  5. Step 5: Solve for x
    x = 488,418,947,525.23/877,458.48
  6. Step 6: Final answer
    x = 556,629.13

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1.5x scale

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.