Home / 814,774.90-1,123,877.81-524,762.30

Finding the Fourth Proportional to 814,774.90, 1,123,877.81 and 524,762.30

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Solution

The fourth proportional to 814,774.90, 1,123,877.81 and 524,762.30 is: 723,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,774.90 : 1,123,877.81 = 524,762.30 : x
  2. Step 2: Convert to fraction form
    814,774.90/1,123,877.81 = 524,762.30/x
  3. Step 3: Cross multiply
    814,774.90x = 1,123,877.81 × 524,762.30
  4. Step 4: Simplify right side
    814,774.90x = 589,768,700,818.46
  5. Step 5: Solve for x
    x = 589,768,700,818.46/814,774.90
  6. Step 6: Final answer
    x = 723,842.50

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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.