Home / 738,328.65-1,018,914.71-416,021.01

Finding the Fourth Proportional to 738,328.65, 1,018,914.71 and 416,021.01

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Solution

The fourth proportional to 738,328.65, 1,018,914.71 and 416,021.01 is: 574,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,328.65 : 1,018,914.71 = 416,021.01 : x
  2. Step 2: Convert to fraction form
    738,328.65/1,018,914.71 = 416,021.01/x
  3. Step 3: Cross multiply
    738,328.65x = 1,018,914.71 × 416,021.01
  4. Step 4: Simplify right side
    738,328.65x = 423,889,924,677.95
  5. Step 5: Solve for x
    x = 423,889,924,677.95/738,328.65
  6. Step 6: Final answer
    x = 574,120.92

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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.