Home / 6,281,607.60-9,422,411.40-5,643,878.40

Finding the Fourth Proportional to 6,281,607.60, 9,422,411.40 and 5,643,878.40

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Solution

The fourth proportional to 6,281,607.60, 9,422,411.40 and 5,643,878.40 is: 8,465,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,607.60 : 9,422,411.40 = 5,643,878.40 : x
  2. Step 2: Convert to fraction form
    6,281,607.60/9,422,411.40 = 5,643,878.40/x
  3. Step 3: Cross multiply
    6,281,607.60x = 9,422,411.40 × 5,643,878.40
  4. Step 4: Simplify right side
    6,281,607.60x = 53,178,944,176,373.77
  5. Step 5: Solve for x
    x = 53,178,944,176,373.77/6,281,607.60
  6. Step 6: Final answer
    x = 8,465,817.60

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Double scale
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Similar ratio
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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.