Home / 738,686.70-1,019,394.45-416,368.26

Finding the Fourth Proportional to 738,686.70, 1,019,394.45 and 416,368.26

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Solution

The fourth proportional to 738,686.70, 1,019,394.45 and 416,368.26 is: 574,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,686.70 : 1,019,394.45 = 416,368.26 : x
  2. Step 2: Convert to fraction form
    738,686.70/1,019,394.45 = 416,368.26/x
  3. Step 3: Cross multiply
    738,686.70x = 1,019,394.45 × 416,368.26
  4. Step 4: Simplify right side
    738,686.70x = 424,443,493,400.16
  5. Step 5: Solve for x
    x = 424,443,493,400.16/738,686.70
  6. Step 6: Final answer
    x = 574,592.03

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Double scale
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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.