Home / 877,450.07-1,210,769.79-514,741.59

Finding the Fourth Proportional to 877,450.07, 1,210,769.79 and 514,741.59

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Solution

The fourth proportional to 877,450.07, 1,210,769.79 and 514,741.59 is: 710,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,450.07 : 1,210,769.79 = 514,741.59 : x
  2. Step 2: Convert to fraction form
    877,450.07/1,210,769.79 = 514,741.59/x
  3. Step 3: Cross multiply
    877,450.07x = 1,210,769.79 × 514,741.59
  4. Step 4: Simplify right side
    877,450.07x = 623,233,564,254.86
  5. Step 5: Solve for x
    x = 623,233,564,254.86/877,450.07
  6. Step 6: Final answer
    x = 710,278.10

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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.