Home / 630,372.06-869,794.47-375,746.94

Finding the Fourth Proportional to 630,372.06, 869,794.47 and 375,746.94

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Solution

The fourth proportional to 630,372.06, 869,794.47 and 375,746.94 is: 518,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,372.06 : 869,794.47 = 375,746.94 : x
  2. Step 2: Convert to fraction form
    630,372.06/869,794.47 = 375,746.94/x
  3. Step 3: Cross multiply
    630,372.06x = 869,794.47 × 375,746.94
  4. Step 4: Simplify right side
    630,372.06x = 326,822,610,531.42
  5. Step 5: Solve for x
    x = 326,822,610,531.42/630,372.06
  6. Step 6: Final answer
    x = 518,459.86

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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.