Home / 1,155,117.63-1,594,122.12-665,159.93

Finding the Fourth Proportional to 1,155,117.63, 1,594,122.12 and 665,159.93

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Solution

The fourth proportional to 1,155,117.63, 1,594,122.12 and 665,159.93 is: 917,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,117.63 : 1,594,122.12 = 665,159.93 : x
  2. Step 2: Convert to fraction form
    1,155,117.63/1,594,122.12 = 665,159.93/x
  3. Step 3: Cross multiply
    1,155,117.63x = 1,594,122.12 × 665,159.93
  4. Step 4: Simplify right side
    1,155,117.63x = 1,060,346,149,780.04
  5. Step 5: Solve for x
    x = 1,060,346,149,780.04/1,155,117.63
  6. Step 6: Final answer
    x = 917,955.13

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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.