Home / 523,913.40-785,870.10-144,833.40

Finding the Fourth Proportional to 523,913.40, 785,870.10 and 144,833.40

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Solution

The fourth proportional to 523,913.40, 785,870.10 and 144,833.40 is: 217,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,913.40 : 785,870.10 = 144,833.40 : x
  2. Step 2: Convert to fraction form
    523,913.40/785,870.10 = 144,833.40/x
  3. Step 3: Cross multiply
    523,913.40x = 785,870.10 × 144,833.40
  4. Step 4: Simplify right side
    523,913.40x = 113,820,238,541.34
  5. Step 5: Solve for x
    x = 113,820,238,541.34/523,913.40
  6. Step 6: Final answer
    x = 217,250.10

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Half scale
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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.