Home / 740,574.90-1,110,862.35-621,000.68

Finding the Fourth Proportional to 740,574.90, 1,110,862.35 and 621,000.68

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Solution

The fourth proportional to 740,574.90, 1,110,862.35 and 621,000.68 is: 931,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,574.90 : 1,110,862.35 = 621,000.68 : x
  2. Step 2: Convert to fraction form
    740,574.90/1,110,862.35 = 621,000.68/x
  3. Step 3: Cross multiply
    740,574.90x = 1,110,862.35 × 621,000.68
  4. Step 4: Simplify right side
    740,574.90x = 689,846,269,182.09
  5. Step 5: Solve for x
    x = 689,846,269,182.09/740,574.90
  6. Step 6: Final answer
    x = 931,501.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.