Home / 896,129.36-1,234,957.80-641,038.16

Finding the Fourth Proportional to 896,129.36, 1,234,957.80 and 641,038.16

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Solution

The fourth proportional to 896,129.36, 1,234,957.80 and 641,038.16 is: 883,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,129.36 : 1,234,957.80 = 641,038.16 : x
  2. Step 2: Convert to fraction form
    896,129.36/1,234,957.80 = 641,038.16/x
  3. Step 3: Cross multiply
    896,129.36x = 1,234,957.80 × 641,038.16
  4. Step 4: Simplify right side
    896,129.36x = 791,655,075,789.65
  5. Step 5: Solve for x
    x = 791,655,075,789.65/896,129.36
  6. Step 6: Final answer
    x = 883,416.07

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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.