Home / 638,620.08-881,275.59-352,152.24

Finding the Fourth Proportional to 638,620.08, 881,275.59 and 352,152.24

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Solution

The fourth proportional to 638,620.08, 881,275.59 and 352,152.24 is: 485,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,620.08 : 881,275.59 = 352,152.24 : x
  2. Step 2: Convert to fraction form
    638,620.08/881,275.59 = 352,152.24/x
  3. Step 3: Cross multiply
    638,620.08x = 881,275.59 × 352,152.24
  4. Step 4: Simplify right side
    638,620.08x = 310,343,173,075.82
  5. Step 5: Solve for x
    x = 310,343,173,075.82/638,620.08
  6. Step 6: Final answer
    x = 485,959.00

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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.