Home / 877,109.06-1,210,430.39-514,794.23

Finding the Fourth Proportional to 877,109.06, 1,210,430.39 and 514,794.23

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Solution

The fourth proportional to 877,109.06, 1,210,430.39 and 514,794.23 is: 710,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,109.06 : 1,210,430.39 = 514,794.23 : x
  2. Step 2: Convert to fraction form
    877,109.06/1,210,430.39 = 514,794.23/x
  3. Step 3: Cross multiply
    877,109.06x = 1,210,430.39 × 514,794.23
  4. Step 4: Simplify right side
    877,109.06x = 623,122,583,310.31
  5. Step 5: Solve for x
    x = 623,122,583,310.31/877,109.06
  6. Step 6: Final answer
    x = 710,427.72

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Double scale
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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.