Home / 1,316,090.64-1,816,205.70-712,478.64

Finding the Fourth Proportional to 1,316,090.64, 1,816,205.70 and 712,478.64

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Solution

The fourth proportional to 1,316,090.64, 1,816,205.70 and 712,478.64 is: 983,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,090.64 : 1,816,205.70 = 712,478.64 : x
  2. Step 2: Convert to fraction form
    1,316,090.64/1,816,205.70 = 712,478.64/x
  3. Step 3: Cross multiply
    1,316,090.64x = 1,816,205.70 × 712,478.64
  4. Step 4: Simplify right side
    1,316,090.64x = 1,294,007,767,096.25
  5. Step 5: Solve for x
    x = 1,294,007,767,096.25/1,316,090.64
  6. Step 6: Final answer
    x = 983,220.86

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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.