Home / 1,223,111.30-1,834,666.95-424,127.30

Finding the Fourth Proportional to 1,223,111.30, 1,834,666.95 and 424,127.30

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Solution

The fourth proportional to 1,223,111.30, 1,834,666.95 and 424,127.30 is: 636,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,111.30 : 1,834,666.95 = 424,127.30 : x
  2. Step 2: Convert to fraction form
    1,223,111.30/1,834,666.95 = 424,127.30/x
  3. Step 3: Cross multiply
    1,223,111.30x = 1,834,666.95 × 424,127.30
  4. Step 4: Simplify right side
    1,223,111.30x = 778,132,339,902.74
  5. Step 5: Solve for x
    x = 778,132,339,902.74/1,223,111.30
  6. Step 6: Final answer
    x = 636,190.95

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Double scale
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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.