Home / 749,315-1,124,111.12-237,109.10

Finding the Fourth Proportional to 749,315, 1,124,111.12 and 237,109.10

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Solution

The fourth proportional to 749,315, 1,124,111.12 and 237,109.10 is: 355,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,315 : 1,124,111.12 = 237,109.10 : x
  2. Step 2: Convert to fraction form
    749,315/1,124,111.12 = 237,109.10/x
  3. Step 3: Cross multiply
    749,315x = 1,124,111.12 × 237,109.10
  4. Step 4: Simplify right side
    749,315x = 266,536,975,963.19
  5. Step 5: Solve for x
    x = 266,536,975,963.19/749,315
  6. Step 6: Final answer
    x = 355,707.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.