Home / 758,643.51-1,047,000.47-414,531.75

Finding the Fourth Proportional to 758,643.51, 1,047,000.47 and 414,531.75

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Solution

The fourth proportional to 758,643.51, 1,047,000.47 and 414,531.75 is: 572,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,643.51 : 1,047,000.47 = 414,531.75 : x
  2. Step 2: Convert to fraction form
    758,643.51/1,047,000.47 = 414,531.75/x
  3. Step 3: Cross multiply
    758,643.51x = 1,047,000.47 × 414,531.75
  4. Step 4: Simplify right side
    758,643.51x = 434,014,937,079.92
  5. Step 5: Solve for x
    x = 434,014,937,079.92/758,643.51
  6. Step 6: Final answer
    x = 572,093.39

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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.