Home / 684,101.40-1,024,985.70-565,128.60

Finding the Fourth Proportional to 684,101.40, 1,024,985.70 and 565,128.60

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Solution

The fourth proportional to 684,101.40, 1,024,985.70 and 565,128.60 is: 846,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,101.40 : 1,024,985.70 = 565,128.60 : x
  2. Step 2: Convert to fraction form
    684,101.40/1,024,985.70 = 565,128.60/x
  3. Step 3: Cross multiply
    684,101.40x = 1,024,985.70 × 565,128.60
  4. Step 4: Simplify right side
    684,101.40x = 579,248,733,661.02
  5. Step 5: Solve for x
    x = 579,248,733,661.02/684,101.40
  6. Step 6: Final answer
    x = 846,729.35

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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.