Home / 784,680.40-1,177,020.60-607,533.40

Finding the Fourth Proportional to 784,680.40, 1,177,020.60 and 607,533.40

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Solution

The fourth proportional to 784,680.40, 1,177,020.60 and 607,533.40 is: 911,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,680.40 : 1,177,020.60 = 607,533.40 : x
  2. Step 2: Convert to fraction form
    784,680.40/1,177,020.60 = 607,533.40/x
  3. Step 3: Cross multiply
    784,680.40x = 1,177,020.60 × 607,533.40
  4. Step 4: Simplify right side
    784,680.40x = 715,079,326,988.04
  5. Step 5: Solve for x
    x = 715,079,326,988.04/784,680.40
  6. Step 6: Final answer
    x = 911,300.10

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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.