Home / 543,917.65-749,826.85-382,271.01

Finding the Fourth Proportional to 543,917.65, 749,826.85 and 382,271.01

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Solution

The fourth proportional to 543,917.65, 749,826.85 and 382,271.01 is: 526,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,917.65 : 749,826.85 = 382,271.01 : x
  2. Step 2: Convert to fraction form
    543,917.65/749,826.85 = 382,271.01/x
  3. Step 3: Cross multiply
    543,917.65x = 749,826.85 × 382,271.01
  4. Step 4: Simplify right side
    543,917.65x = 286,637,064,203.16
  5. Step 5: Solve for x
    x = 286,637,064,203.16/543,917.65
  6. Step 6: Final answer
    x = 526,986.15

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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.