Home / 719,815.46-993,192.57-429,349.86

Finding the Fourth Proportional to 719,815.46, 993,192.57 and 429,349.86

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Solution

The fourth proportional to 719,815.46, 993,192.57 and 429,349.86 is: 592,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,815.46 : 993,192.57 = 429,349.86 : x
  2. Step 2: Convert to fraction form
    719,815.46/993,192.57 = 429,349.86/x
  3. Step 3: Cross multiply
    719,815.46x = 993,192.57 × 429,349.86
  4. Step 4: Simplify right side
    719,815.46x = 426,427,090,882.54
  5. Step 5: Solve for x
    x = 426,427,090,882.54/719,815.46
  6. Step 6: Final answer
    x = 592,411.69

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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.