Home / 977,046.21-1,348,323.49-535,518.25

Finding the Fourth Proportional to 977,046.21, 1,348,323.49 and 535,518.25

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Solution

The fourth proportional to 977,046.21, 1,348,323.49 and 535,518.25 is: 739,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,046.21 : 1,348,323.49 = 535,518.25 : x
  2. Step 2: Convert to fraction form
    977,046.21/1,348,323.49 = 535,518.25/x
  3. Step 3: Cross multiply
    977,046.21x = 1,348,323.49 × 535,518.25
  4. Step 4: Simplify right side
    977,046.21x = 722,051,831,089.09
  5. Step 5: Solve for x
    x = 722,051,831,089.09/977,046.21
  6. Step 6: Final answer
    x = 739,015.03

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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.