Home / 1,129,881.17-1,559,266.47-664,767.51

Finding the Fourth Proportional to 1,129,881.17, 1,559,266.47 and 664,767.51

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Solution

The fourth proportional to 1,129,881.17, 1,559,266.47 and 664,767.51 is: 917,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,881.17 : 1,559,266.47 = 664,767.51 : x
  2. Step 2: Convert to fraction form
    1,129,881.17/1,559,266.47 = 664,767.51/x
  3. Step 3: Cross multiply
    1,129,881.17x = 1,559,266.47 × 664,767.51
  4. Step 4: Simplify right side
    1,129,881.17x = 1,036,549,685,364.55
  5. Step 5: Solve for x
    x = 1,036,549,685,364.55/1,129,881.17
  6. Step 6: Final answer
    x = 917,397.08

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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.