Home / 623,905.32-859,101.98-514,603.38

Finding the Fourth Proportional to 623,905.32, 859,101.98 and 514,603.38

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Solution

The fourth proportional to 623,905.32, 859,101.98 and 514,603.38 is: 708,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,905.32 : 859,101.98 = 514,603.38 : x
  2. Step 2: Convert to fraction form
    623,905.32/859,101.98 = 514,603.38/x
  3. Step 3: Cross multiply
    623,905.32x = 859,101.98 × 514,603.38
  4. Step 4: Simplify right side
    623,905.32x = 442,096,782,672.69
  5. Step 5: Solve for x
    x = 442,096,782,672.69/623,905.32
  6. Step 6: Final answer
    x = 708,595.95

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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.