Home / 857,635.04-1,286,271.96-553,117.04

Finding the Fourth Proportional to 857,635.04, 1,286,271.96 and 553,117.04

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Solution

The fourth proportional to 857,635.04, 1,286,271.96 and 553,117.04 is: 829,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,635.04 : 1,286,271.96 = 553,117.04 : x
  2. Step 2: Convert to fraction form
    857,635.04/1,286,271.96 = 553,117.04/x
  3. Step 3: Cross multiply
    857,635.04x = 1,286,271.96 × 553,117.04
  4. Step 4: Simplify right side
    857,635.04x = 711,458,939,150.20
  5. Step 5: Solve for x
    x = 711,458,939,150.20/857,635.04
  6. Step 6: Final answer
    x = 829,559.09

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Double scale
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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.