Home / 748,720.16-1,033,417.40-426,620.01

Finding the Fourth Proportional to 748,720.16, 1,033,417.40 and 426,620.01

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Solution

The fourth proportional to 748,720.16, 1,033,417.40 and 426,620.01 is: 588,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,720.16 : 1,033,417.40 = 426,620.01 : x
  2. Step 2: Convert to fraction form
    748,720.16/1,033,417.40 = 426,620.01/x
  3. Step 3: Cross multiply
    748,720.16x = 1,033,417.40 × 426,620.01
  4. Step 4: Simplify right side
    748,720.16x = 440,876,539,389.07
  5. Step 5: Solve for x
    x = 440,876,539,389.07/748,720.16
  6. Step 6: Final answer
    x = 588,840.22

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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.