Home / 877,166.86-1,210,500.36-514,596.89

Finding the Fourth Proportional to 877,166.86, 1,210,500.36 and 514,596.89

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Solution

The fourth proportional to 877,166.86, 1,210,500.36 and 514,596.89 is: 710,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,166.86 : 1,210,500.36 = 514,596.89 : x
  2. Step 2: Convert to fraction form
    877,166.86/1,210,500.36 = 514,596.89/x
  3. Step 3: Cross multiply
    877,166.86x = 1,210,500.36 × 514,596.89
  4. Step 4: Simplify right side
    877,166.86x = 622,919,714,547.38
  5. Step 5: Solve for x
    x = 622,919,714,547.38/877,166.86
  6. Step 6: Final answer
    x = 710,149.62

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1.5x scale

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.