Home / 674,917.50-931,405.59-373,130.94

Finding the Fourth Proportional to 674,917.50, 931,405.59 and 373,130.94

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Solution

The fourth proportional to 674,917.50, 931,405.59 and 373,130.94 is: 514,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,917.50 : 931,405.59 = 373,130.94 : x
  2. Step 2: Convert to fraction form
    674,917.50/931,405.59 = 373,130.94/x
  3. Step 3: Cross multiply
    674,917.50x = 931,405.59 × 373,130.94
  4. Step 4: Simplify right side
    674,917.50x = 347,536,243,317.96
  5. Step 5: Solve for x
    x = 347,536,243,317.96/674,917.50
  6. Step 6: Final answer
    x = 514,931.44

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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.