Home / 651,444.40-977,166.60-493,980.40

Finding the Fourth Proportional to 651,444.40, 977,166.60 and 493,980.40

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Solution

The fourth proportional to 651,444.40, 977,166.60 and 493,980.40 is: 740,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,444.40 : 977,166.60 = 493,980.40 : x
  2. Step 2: Convert to fraction form
    651,444.40/977,166.60 = 493,980.40/x
  3. Step 3: Cross multiply
    651,444.40x = 977,166.60 × 493,980.40
  4. Step 4: Simplify right side
    651,444.40x = 482,701,147,934.64
  5. Step 5: Solve for x
    x = 482,701,147,934.64/651,444.40
  6. Step 6: Final answer
    x = 740,970.60

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Half scale
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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.