Home / 917,423.04-1,266,035.04-515,012.16

Finding the Fourth Proportional to 917,423.04, 1,266,035.04 and 515,012.16

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Solution

The fourth proportional to 917,423.04, 1,266,035.04 and 515,012.16 is: 710,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,423.04 : 1,266,035.04 = 515,012.16 : x
  2. Step 2: Convert to fraction form
    917,423.04/1,266,035.04 = 515,012.16/x
  3. Step 3: Cross multiply
    917,423.04x = 1,266,035.04 × 515,012.16
  4. Step 4: Simplify right side
    917,423.04x = 652,023,440,586.09
  5. Step 5: Solve for x
    x = 652,023,440,586.09/917,423.04
  6. Step 6: Final answer
    x = 710,711.87

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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.