Home / 895,829.40-1,236,244.32-493,421.40

Finding the Fourth Proportional to 895,829.40, 1,236,244.32 and 493,421.40

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Solution

The fourth proportional to 895,829.40, 1,236,244.32 and 493,421.40 is: 680,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,829.40 : 1,236,244.32 = 493,421.40 : x
  2. Step 2: Convert to fraction form
    895,829.40/1,236,244.32 = 493,421.40/x
  3. Step 3: Cross multiply
    895,829.40x = 1,236,244.32 × 493,421.40
  4. Step 4: Simplify right side
    895,829.40x = 609,989,403,116.45
  5. Step 5: Solve for x
    x = 609,989,403,116.45/895,829.40
  6. Step 6: Final answer
    x = 680,921.39

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Double scale
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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.