Home / 850,158.70-1,173,196.18-462,966.40

Finding the Fourth Proportional to 850,158.70, 1,173,196.18 and 462,966.40

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Solution

The fourth proportional to 850,158.70, 1,173,196.18 and 462,966.40 is: 638,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,158.70 : 1,173,196.18 = 462,966.40 : x
  2. Step 2: Convert to fraction form
    850,158.70/1,173,196.18 = 462,966.40/x
  3. Step 3: Cross multiply
    850,158.70x = 1,173,196.18 × 462,966.40
  4. Step 4: Simplify right side
    850,158.70x = 543,150,411,948.35
  5. Step 5: Solve for x
    x = 543,150,411,948.35/850,158.70
  6. Step 6: Final answer
    x = 638,881.20

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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.