Home / 696,139.40-1,044,209.10-474,955.40

Finding the Fourth Proportional to 696,139.40, 1,044,209.10 and 474,955.40

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Solution

The fourth proportional to 696,139.40, 1,044,209.10 and 474,955.40 is: 712,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,139.40 : 1,044,209.10 = 474,955.40 : x
  2. Step 2: Convert to fraction form
    696,139.40/1,044,209.10 = 474,955.40/x
  3. Step 3: Cross multiply
    696,139.40x = 1,044,209.10 × 474,955.40
  4. Step 4: Simplify right side
    696,139.40x = 495,952,750,774.14
  5. Step 5: Solve for x
    x = 495,952,750,774.14/696,139.40
  6. Step 6: Final answer
    x = 712,433.10

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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.