Home / 876,655.25-1,209,784.25-474,247.25

Finding the Fourth Proportional to 876,655.25, 1,209,784.25 and 474,247.25

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Solution

The fourth proportional to 876,655.25, 1,209,784.25 and 474,247.25 is: 654,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,655.25 : 1,209,784.25 = 474,247.25 : x
  2. Step 2: Convert to fraction form
    876,655.25/1,209,784.25 = 474,247.25/x
  3. Step 3: Cross multiply
    876,655.25x = 1,209,784.25 × 474,247.25
  4. Step 4: Simplify right side
    876,655.25x = 573,736,853,655.81
  5. Step 5: Solve for x
    x = 573,736,853,655.81/876,655.25
  6. Step 6: Final answer
    x = 654,461.21

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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.