Home / 887,071.19-1,224,158.74-479,173.04

Finding the Fourth Proportional to 887,071.19, 1,224,158.74 and 479,173.04

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Solution

The fourth proportional to 887,071.19, 1,224,158.74 and 479,173.04 is: 661,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,071.19 : 1,224,158.74 = 479,173.04 : x
  2. Step 2: Convert to fraction form
    887,071.19/1,224,158.74 = 479,173.04/x
  3. Step 3: Cross multiply
    887,071.19x = 1,224,158.74 × 479,173.04
  4. Step 4: Simplify right side
    887,071.19x = 586,583,864,888.37
  5. Step 5: Solve for x
    x = 586,583,864,888.37/887,071.19
  6. Step 6: Final answer
    x = 661,259.06

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Double scale
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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.