Home / 877,460.46-1,210,903.44-514,890.35

Finding the Fourth Proportional to 877,460.46, 1,210,903.44 and 514,890.35

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Solution

The fourth proportional to 877,460.46, 1,210,903.44 and 514,890.35 is: 710,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,460.46 : 1,210,903.44 = 514,890.35 : x
  2. Step 2: Convert to fraction form
    877,460.46/1,210,903.44 = 514,890.35/x
  3. Step 3: Cross multiply
    877,460.46x = 1,210,903.44 × 514,890.35
  4. Step 4: Simplify right side
    877,460.46x = 623,482,502,300.93
  5. Step 5: Solve for x
    x = 623,482,502,300.93/877,460.46
  6. Step 6: Final answer
    x = 710,553.39

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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.