Home / 877,456.95-1,210,898.60-514,886.85

Finding the Fourth Proportional to 877,456.95, 1,210,898.60 and 514,886.85

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Solution

The fourth proportional to 877,456.95, 1,210,898.60 and 514,886.85 is: 710,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,456.95 : 1,210,898.60 = 514,886.85 : x
  2. Step 2: Convert to fraction form
    877,456.95/1,210,898.60 = 514,886.85/x
  3. Step 3: Cross multiply
    877,456.95x = 1,210,898.60 × 514,886.85
  4. Step 4: Simplify right side
    877,456.95x = 623,475,757,194.48
  5. Step 5: Solve for x
    x = 623,475,757,194.48/877,456.95
  6. Step 6: Final answer
    x = 710,548.55

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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.