Home / 758,881.47-1,047,271.47-414,738.72

Finding the Fourth Proportional to 758,881.47, 1,047,271.47 and 414,738.72

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Solution

The fourth proportional to 758,881.47, 1,047,271.47 and 414,738.72 is: 572,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,881.47 : 1,047,271.47 = 414,738.72 : x
  2. Step 2: Convert to fraction form
    758,881.47/1,047,271.47 = 414,738.72/x
  3. Step 3: Cross multiply
    758,881.47x = 1,047,271.47 × 414,738.72
  4. Step 4: Simplify right side
    758,881.47x = 434,344,028,960.32
  5. Step 5: Solve for x
    x = 434,344,028,960.32/758,881.47
  6. Step 6: Final answer
    x = 572,347.65

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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.