Home / 837,068.30-1,255,602.45-553,633.10

Finding the Fourth Proportional to 837,068.30, 1,255,602.45 and 553,633.10

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Solution

The fourth proportional to 837,068.30, 1,255,602.45 and 553,633.10 is: 830,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,068.30 : 1,255,602.45 = 553,633.10 : x
  2. Step 2: Convert to fraction form
    837,068.30/1,255,602.45 = 553,633.10/x
  3. Step 3: Cross multiply
    837,068.30x = 1,255,602.45 × 553,633.10
  4. Step 4: Simplify right side
    837,068.30x = 695,143,076,761.10
  5. Step 5: Solve for x
    x = 695,143,076,761.10/837,068.30
  6. Step 6: Final answer
    x = 830,449.65

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Double scale
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Similar ratio
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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.