Home / 845,581.52-1,166,913.88-463,607.40

Finding the Fourth Proportional to 845,581.52, 1,166,913.88 and 463,607.40

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Solution

The fourth proportional to 845,581.52, 1,166,913.88 and 463,607.40 is: 639,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,581.52 : 1,166,913.88 = 463,607.40 : x
  2. Step 2: Convert to fraction form
    845,581.52/1,166,913.88 = 463,607.40/x
  3. Step 3: Cross multiply
    845,581.52x = 1,166,913.88 × 463,607.40
  4. Step 4: Simplify right side
    845,581.52x = 540,989,909,930.71
  5. Step 5: Solve for x
    x = 540,989,909,930.71/845,581.52
  6. Step 6: Final answer
    x = 639,784.45

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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.