Home / 429,639.49-592,836.55-248,316.23

Finding the Fourth Proportional to 429,639.49, 592,836.55 and 248,316.23

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Solution

The fourth proportional to 429,639.49, 592,836.55 and 248,316.23 is: 342,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,639.49 : 592,836.55 = 248,316.23 : x
  2. Step 2: Convert to fraction form
    429,639.49/592,836.55 = 248,316.23/x
  3. Step 3: Cross multiply
    429,639.49x = 592,836.55 × 248,316.23
  4. Step 4: Simplify right side
    429,639.49x = 147,210,934,138.02
  5. Step 5: Solve for x
    x = 147,210,934,138.02/429,639.49
  6. Step 6: Final answer
    x = 342,638.28

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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.