Home / 1,152,528.40-1,728,730.12-353,810.08

Finding the Fourth Proportional to 1,152,528.40, 1,728,730.12 and 353,810.08

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Solution

The fourth proportional to 1,152,528.40, 1,728,730.12 and 353,810.08 is: 530,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,528.40 : 1,728,730.12 = 353,810.08 : x
  2. Step 2: Convert to fraction form
    1,152,528.40/1,728,730.12 = 353,810.08/x
  3. Step 3: Cross multiply
    1,152,528.40x = 1,728,730.12 × 353,810.08
  4. Step 4: Simplify right side
    1,152,528.40x = 611,642,142,055.61
  5. Step 5: Solve for x
    x = 611,642,142,055.61/1,152,528.40
  6. Step 6: Final answer
    x = 530,695.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.