Home / 755,038.45-1,041,953.23-415,506.70

Finding the Fourth Proportional to 755,038.45, 1,041,953.23 and 415,506.70

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Solution

The fourth proportional to 755,038.45, 1,041,953.23 and 415,506.70 is: 573,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,038.45 : 1,041,953.23 = 415,506.70 : x
  2. Step 2: Convert to fraction form
    755,038.45/1,041,953.23 = 415,506.70/x
  3. Step 3: Cross multiply
    755,038.45x = 1,041,953.23 × 415,506.70
  4. Step 4: Simplify right side
    755,038.45x = 432,938,548,151.64
  5. Step 5: Solve for x
    x = 432,938,548,151.64/755,038.45
  6. Step 6: Final answer
    x = 573,399.34

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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.