Home / 831,598.40-1,245,554.40-644,001.60

Finding the Fourth Proportional to 831,598.40, 1,245,554.40 and 644,001.60

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Solution

The fourth proportional to 831,598.40, 1,245,554.40 and 644,001.60 is: 964,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,598.40 : 1,245,554.40 = 644,001.60 : x
  2. Step 2: Convert to fraction form
    831,598.40/1,245,554.40 = 644,001.60/x
  3. Step 3: Cross multiply
    831,598.40x = 1,245,554.40 × 644,001.60
  4. Step 4: Simplify right side
    831,598.40x = 802,139,026,487.04
  5. Step 5: Solve for x
    x = 802,139,026,487.04/831,598.40
  6. Step 6: Final answer
    x = 964,575.00

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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.