Home / 1,316,528.33-1,816,798.68-712,916.33

Finding the Fourth Proportional to 1,316,528.33, 1,816,798.68 and 712,916.33

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Solution

The fourth proportional to 1,316,528.33, 1,816,798.68 and 712,916.33 is: 983,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,528.33 : 1,816,798.68 = 712,916.33 : x
  2. Step 2: Convert to fraction form
    1,316,528.33/1,816,798.68 = 712,916.33/x
  3. Step 3: Cross multiply
    1,316,528.33x = 1,816,798.68 × 712,916.33
  4. Step 4: Simplify right side
    1,316,528.33x = 1,295,225,438,210.45
  5. Step 5: Solve for x
    x = 1,295,225,438,210.45/1,316,528.33
  6. Step 6: Final answer
    x = 983,818.89

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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.