Home / 1,249,239.98-1,723,951.76-676,280.16

Finding the Fourth Proportional to 1,249,239.98, 1,723,951.76 and 676,280.16

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Solution

The fourth proportional to 1,249,239.98, 1,723,951.76 and 676,280.16 is: 933,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,239.98 : 1,723,951.76 = 676,280.16 : x
  2. Step 2: Convert to fraction form
    1,249,239.98/1,723,951.76 = 676,280.16/x
  3. Step 3: Cross multiply
    1,249,239.98x = 1,723,951.76 × 676,280.16
  4. Step 4: Simplify right side
    1,249,239.98x = 1,165,874,372,085.08
  5. Step 5: Solve for x
    x = 1,165,874,372,085.08/1,249,239.98
  6. Step 6: Final answer
    x = 933,266.94

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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.