Home / 829,877.12-1,145,265.63-462,353.94

Finding the Fourth Proportional to 829,877.12, 1,145,265.63 and 462,353.94

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Solution

The fourth proportional to 829,877.12, 1,145,265.63 and 462,353.94 is: 638,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,877.12 : 1,145,265.63 = 462,353.94 : x
  2. Step 2: Convert to fraction form
    829,877.12/1,145,265.63 = 462,353.94/x
  3. Step 3: Cross multiply
    829,877.12x = 1,145,265.63 × 462,353.94
  4. Step 4: Simplify right side
    829,877.12x = 529,518,076,377.08
  5. Step 5: Solve for x
    x = 529,518,076,377.08/829,877.12
  6. Step 6: Final answer
    x = 638,068.05

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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.