Home / 1,153,693.63-1,592,109.43-637,434.68

Finding the Fourth Proportional to 1,153,693.63, 1,592,109.43 and 637,434.68

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Solution

The fourth proportional to 1,153,693.63, 1,592,109.43 and 637,434.68 is: 879,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,693.63 : 1,592,109.43 = 637,434.68 : x
  2. Step 2: Convert to fraction form
    1,153,693.63/1,592,109.43 = 637,434.68/x
  3. Step 3: Cross multiply
    1,153,693.63x = 1,592,109.43 × 637,434.68
  4. Step 4: Simplify right side
    1,153,693.63x = 1,014,865,768,024.08
  5. Step 5: Solve for x
    x = 1,014,865,768,024.08/1,153,693.63
  6. Step 6: Final answer
    x = 879,666.61

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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.