Home / 1,020,947.07-1,531,586.66-347,088.63

Finding the Fourth Proportional to 1,020,947.07, 1,531,586.66 and 347,088.63

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Solution

The fourth proportional to 1,020,947.07, 1,531,586.66 and 347,088.63 is: 520,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,947.07 : 1,531,586.66 = 347,088.63 : x
  2. Step 2: Convert to fraction form
    1,020,947.07/1,531,586.66 = 347,088.63/x
  3. Step 3: Cross multiply
    1,020,947.07x = 1,531,586.66 × 347,088.63
  4. Step 4: Simplify right side
    1,020,947.07x = 531,596,313,810.23
  5. Step 5: Solve for x
    x = 531,596,313,810.23/1,020,947.07
  6. Step 6: Final answer
    x = 520,689.40

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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.