Home / 877,317.76-1,210,625.60-514,703.68

Finding the Fourth Proportional to 877,317.76, 1,210,625.60 and 514,703.68

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Solution

The fourth proportional to 877,317.76, 1,210,625.60 and 514,703.68 is: 710,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,317.76 : 1,210,625.60 = 514,703.68 : x
  2. Step 2: Convert to fraction form
    877,317.76/1,210,625.60 = 514,703.68/x
  3. Step 3: Cross multiply
    877,317.76x = 1,210,625.60 × 514,703.68
  4. Step 4: Simplify right side
    877,317.76x = 623,113,451,422.21
  5. Step 5: Solve for x
    x = 623,113,451,422.21/877,317.76
  6. Step 6: Final answer
    x = 710,248.30

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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.