Home / 858,638.40-1,184,951.52-476,671.20

Finding the Fourth Proportional to 858,638.40, 1,184,951.52 and 476,671.20

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Solution

The fourth proportional to 858,638.40, 1,184,951.52 and 476,671.20 is: 657,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,638.40 : 1,184,951.52 = 476,671.20 : x
  2. Step 2: Convert to fraction form
    858,638.40/1,184,951.52 = 476,671.20/x
  3. Step 3: Cross multiply
    858,638.40x = 1,184,951.52 × 476,671.20
  4. Step 4: Simplify right side
    858,638.40x = 564,832,262,980.22
  5. Step 5: Solve for x
    x = 564,832,262,980.22/858,638.40
  6. Step 6: Final answer
    x = 657,823.20

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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.