Home / 889,589.16-1,227,720.93-507,673.35

Finding the Fourth Proportional to 889,589.16, 1,227,720.93 and 507,673.35

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Solution

The fourth proportional to 889,589.16, 1,227,720.93 and 507,673.35 is: 700,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,589.16 : 1,227,720.93 = 507,673.35 : x
  2. Step 2: Convert to fraction form
    889,589.16/1,227,720.93 = 507,673.35/x
  3. Step 3: Cross multiply
    889,589.16x = 1,227,720.93 × 507,673.35
  4. Step 4: Simplify right side
    889,589.16x = 623,281,197,398.22
  5. Step 5: Solve for x
    x = 623,281,197,398.22/889,589.16
  6. Step 6: Final answer
    x = 700,639.38

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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.