Home / 1,316,364.42-1,974,155.40-558,194.70

Finding the Fourth Proportional to 1,316,364.42, 1,974,155.40 and 558,194.70

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Solution

The fourth proportional to 1,316,364.42, 1,974,155.40 and 558,194.70 is: 837,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,364.42 : 1,974,155.40 = 558,194.70 : x
  2. Step 2: Convert to fraction form
    1,316,364.42/1,974,155.40 = 558,194.70/x
  3. Step 3: Cross multiply
    1,316,364.42x = 1,974,155.40 × 558,194.70
  4. Step 4: Simplify right side
    1,316,364.42x = 1,101,963,081,256.38
  5. Step 5: Solve for x
    x = 1,101,963,081,256.38/1,316,364.42
  6. Step 6: Final answer
    x = 837,126.15

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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.