Home / 346,040.38-478,195.80-249,560.86

Finding the Fourth Proportional to 346,040.38, 478,195.80 and 249,560.86

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Solution

The fourth proportional to 346,040.38, 478,195.80 and 249,560.86 is: 344,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,040.38 : 478,195.80 = 249,560.86 : x
  2. Step 2: Convert to fraction form
    346,040.38/478,195.80 = 249,560.86/x
  3. Step 3: Cross multiply
    346,040.38x = 478,195.80 × 249,560.86
  4. Step 4: Simplify right side
    346,040.38x = 119,338,955,096.39
  5. Step 5: Solve for x
    x = 119,338,955,096.39/346,040.38
  6. Step 6: Final answer
    x = 344,870.03

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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.